If you’ve ever attempted to catch precious sleep on a red-eye flight, you know the struggle is real. Between the harsh overhead cabin lights, the glow of neighboring screens, and that awkward neck-craning position that leaves you more exhausted than when you boarded, quality rest at 35,000 feet feels like a cruel myth. Seasoned travelers have long relied on a patchwork solution: travel pillow, separate eye mask, bulky hoodie, and a prayer. But what if your jacket could be your sanctuary? The latest evolution in travel gear consolidates these essentials into one intelligent garment—a lightweight travel jacket with a built-in eye mask that transforms your in-flight experience from restless to restorative.
These innovative jackets represent more than just a clever combination of features; they’re a fundamental rethinking of how we dress for transit. By integrating a carefully engineered eye mask into the hood structure, these pieces eliminate the need for separate sleep accessories while maintaining the packability and versatility modern travelers demand. Whether you’re a frequent business flyer chasing productivity or an adventure seeker maximizing every moment, understanding what makes these jackets truly exceptional will revolutionize how you approach your next overnight journey.
Top 10 Lightweight Travel Jackets with Eye Mask for Red-Eye Flyers
![]() | SeSe Code Unisex Zip Up Hoodie With Eye Mask Airplane Mode Travel Hoodies Oversized Sweatshirt Fleece Jacket Brown Red XL | Check Price |
Detailed Product Reviews
1. SeSe Code Unisex Zip Up Hoodie With Eye Mask Airplane Mode Travel Hoodies Oversized Sweatshirt Fleece Jacket Brown Red XL

###1. SeSe Code Unisex Zip Up Hoodie With Eye Mask Airplane Mode Travel Hoodies Oversized Sweatshirt Fleece Jacket Brown Red XL
Overview: The SeSe Code travel hoodie merges cozy fleece comfort with an innovative built-in eye mask for restful journeys. This unisex, oversized zip-up features an integrated sleep mask within the hood, designed to block light during flights, trains, or road trips. Soft fleece lining provides fall-to-winter warmth without bulk, while side pockets securely hold phones and travel documents. The adjustable drawstring system tightens both hood and mask for a customized fit, making it a versatile choice for transit and casual wear.
What Makes It Stand Out: The clever eye mask integration transforms a standard hoodie into purposeful travel gear. By simply tightening the drawstrings, the hood contours to your face, creating a personal dark zone for sleeping upright. The oversized, gender-neutral design accommodates layering and movement during long trips, eliminating the need for separate sleep accessories. This dual-function approach merges current loungewear trends with genuine utility—rare in travel apparel. The thoughtful pocket placement keeps essentials accessible while you rest, addressing real transit challenges.
Value for Money: Priced at $39.99, this hoodie offers solid value by combining two travel essentials into one. A comparable fleece hoodie ($30-45) plus a quality eye mask ($10-15) would cost more separately. While long-term durability remains untested, the multi-use design justifies the investment for frequent travelers. The ability to transition from airplane sleepwear to everyday errands extends its cost-per-wear value significantly beyond single-purpose travel items, making it a practical wardrobe addition.
Strengths and Weaknesses: Strengths: Innovative integrated eye mask; unisex oversized fit; adjustable hood for better light blockage; practical side pockets; versatile for travel and daily use; soft fleece warmth.
Weaknesses: Requires careful sizing chart consultation; “Brown Red” color may vary; mask fit depends on face shape; oversized cut may feel bulky; unknown fleece durability; limited material details.
Bottom Line: Ideal for frequent travelers seeking functional comfort, this hoodie cleverly solves the sleep-on-the-go dilemma. At $39.99, it’s a worthwhile dual-purpose purchase that streamlines your travel kit. Verify sizing carefully and embrace the oversized fit for optimal comfort. While some quality questions remain, the innovative design makes it a smart choice for anyone wanting to arrive at their destination well-rested and presentable.
Why a Built-In Eye Mask Changes Everything for Red-Eye Travelers
The Science of Sleep On-the-Go
Light exposure is the primary disruptor of circadian rhythms during travel. Your body’s melatonin production halts with even minimal light penetration, making traditional eye masks that gap around the nose or ride up during movement woefully inadequate. A built-in eye mask engineered into a jacket’s hood creates a comprehensive light seal that moves with your body, maintaining consistent darkness regardless of how much you shift in your cramped economy seat. This integration eliminates pressure points caused by elastic straps and prevents the “mask migration” that leaves you adjusting every few minutes. The psychology is equally powerful—when you pull up a hood designed for sleep, you’re sending a clear signal to your brain that rest time has begun, creating a mental boundary between the chaotic cabin environment and your personal sleep space.
Beyond the Standard Travel Pillow
While travel pillows support your neck, they do nothing to address light and temperature regulation simultaneously. A thoughtfully designed travel jacket with integrated eye mask creates a microclimate around your head and neck, blocking drafts from aggressive air vents while providing sensory deprivation. The hood structure distributes weight evenly across your shoulders rather than concentrating pressure at the back of your neck, reducing the stiffness that plagues long-haul flyers. This holistic approach means you’re not just blocking light—you’re creating a portable sleep pod that addresses the three pillars of in-flight rest: darkness, warmth, and ergonomic support.
Key Features That Define Exceptional Travel Jackets
Integrated Eye Mask Design Principles
The magic lies in the architecture. Look for hoods that feature a dual-layer construction: a structured outer shell that maintains shape and a soft inner lining that conforms to facial contours. The eye mask portion should incorporate memory foam or similar compressive material that creates a gentle seal without pressing on eyelids. Critical design elements include a molded nose bridge that prevents light leakage—a common failure point in conventional masks—and adjustable side panels that accommodate different head sizes. The transition between hood and mask should be seamless, with no harsh seams or stitching that could irritate skin during extended wear. Some premium designs feature a “cinch-to-sleep” mechanism where a single pull tightens both the hood opening and activates the eye mask compression, creating an intuitive user experience even when you’re half-asleep.
Weight-to-Warmth Ratio Mastery
The ideal travel jacket weighs less than 16 ounces but provides warmth equivalent to a mid-weight fleece. This feat of engineering relies on synthetic insulation with high loft-to-weight ratios, such as advanced polyester fills that trap heat in micro-chambers. For red-eye flights, you’re not braving arctic conditions—you’re maintaining comfort in an over-air-conditioned cabin that typically hovers between 68-72°F. The jacket should take the edge off without causing overheating, which means breathability is just as crucial as insulation. Look for fill powers in the 60-80gsm range for the sweet spot between packability and performance. The fabric face should be lightweight ripstop nylon or polyester in the 20-30 denier range, providing durability without bulk.
Packability and Compression Innovation
A jacket that doesn’t pack down to the size of a large water bottle defeats its purpose. Exceptional travel jackets compress into their own pocket or included stuff sack, emerging wrinkle-free thanks to crinkle-resistant fabrics. The packed shape should be rectangular rather than spherical, sliding easily into laptop bag corners or backpack water bottle pockets. Pay attention to compression zippers that lock in place and fabrics that recover their loft quickly after unpacking—indicators of quality construction that withstands repeated stuffing. Some designs incorporate a hidden luggage pass-through strap, allowing you to secure the packed jacket to your carry-on handle, freeing up valuable bag space.
Fabric Technology and Material Selection
Breathable Yet Protective Layering Systems
Cabin environments are notoriously unpredictable—one moment you’re freezing, the next you’re sweating from a temperature spike or pre-flight rush. The best travel jackets employ active ventilation systems: laser-cut perforations under the arms, mesh-backed pockets that double as vents, or two-way front zippers that allow precise temperature control from either end. The fabric itself should feature a moisture vapor transmission rate (MVTR) above 5,000g/m²/24hr, ensuring sweat escapes while blocking drafts. This breathability prevents that clammy feeling that wakes you mid-nap and eliminates the need to constantly adjust layers.
Moisture-Wicking Performance for Cabin Conditions
Even at rest, your body produces moisture, especially in the humid microclimate created by a hood over your face. Technical fabrics with hydrophilic inner layers pull sweat away from skin, while hydrophobic outer layers prevent external moisture from penetrating. This dual-action system keeps you dry during unexpected turbulence-induced anxiety sweats or when rushing through terminals. Look for fabrics treated with antimicrobial finishes that prevent odor buildup—crucial when you’re wearing the same jacket for 24+ hours during multi-leg journeys. Silver ion or polygiene treatments maintain freshness without washing, extending wear time between cleanings.
Sustainable and Quick-Dry Fabric Options
Eco-conscious travelers should prioritize jackets using recycled polyester insulation and bluesign® approved fabrics. These materials offer identical performance to virgin synthetics while reducing environmental impact. Quick-dry capability means a coffee spill in the airport lounge doesn’t doom you to a damp flight—the jacket should air-dry within 2-3 hours when hung. This resilience comes from fabric construction that minimizes water absorption while maximizing surface area for evaporation. For true versatility, some jackets incorporate DWR (durable water repellent) coatings that shed light rain, making them functional for your entire trip, not just the flight.
Design Elements That Make or Break Functionality
Hood Construction and Eye Mask Integration
The hood should feature a three-panel design that contours to the head without creating a “mushroom” silhouette. A wired or reinforced brim maintains structure and keeps the eye mask portion from collapsing onto your eyelashes. The integration point where hood meets mask needs reinforced stitching that withstands repeated pulling and adjustment. Look for hoods that stow away into the collar when not in use—this zipper-free design prevents neck irritation and maintains a clean aesthetic for professional settings. The eye mask portion should attach via hidden magnets or a low-profile zipper, allowing you to remove it for cleaning or when you prefer an open hood.
Zipper Engineering and Draft Protection
Nothing ruins sleep faster than a cold draft sneaking through a poorly designed zipper. Premium travel jackets feature YKK zippers with polyurethane-coated teeth that interlock more tightly than standard coils. The zipper garage at the chin should be fleece-lined to prevent skin irritation, while an internal storm flap behind the zipper adds wind resistance. For red-eye flights, seek out two-way zippers that allow you to vent from the bottom without exposing your chest—perfect for accessing seat pockets or adjusting layers without fully waking. Zipper pulls should be glove-friendly and silent, avoiding the jingle-jangle that disturbs fellow passengers.
Pocket Placement for Travel Essentials
Strategic pocket design transforms a simple jacket into a mobile command center. An interior zippered chest pocket with RFID-blocking liner secures your passport and phone while you sleep. Exterior hand pockets should be positioned high enough to remain accessible when wearing a seatbelt, lined with brushed tricot for warmth. A dedicated eyeglass pocket with microfiber lining prevents scratches when you remove specs for sleep. Look for a hidden “stash” pocket inside the hood itself—ideal for storing earplugs or melatonin within easy reach. All pockets should feature zipper garages to prevent scratching phone screens or catching on luggage.
The Ergonomics of Travel Comfort
Fit and Mobility Considerations
The ideal travel jacket follows a “relaxed athletic” fit—trim enough to avoid bulk but generous enough for a base layer underneath. Articulated elbows and gusseted underarms allow you to reach overhead bins or curl up in your seat without the jacket riding up. The torso length should cover your lower back when seated, preventing the dreaded draft gap between jacket and pants. For eye mask functionality, the hood must fit snugly enough to maintain position while you sleep but not so tight that it causes pressure headaches. Look for jackets with adjustable hem cords and elastic-bound cuffs that seal in warmth without restricting circulation during long periods of immobility.
Temperature Regulation Strategies
Smart jackets employ zone-based insulation, placing thicker fill in core areas (chest, back) while using lighter insulation in high-heat zones like underarms. This targeted approach prevents overheating while maintaining warmth where you need it most. Some designs incorporate “thermal mapping” based on sleep posture research, adding extra insulation at the shoulders and neck where contact with cold seats occurs. The eye mask portion should have minimal insulation to prevent facial sweating while still blocking drafts. For extreme versatility, seek jackets with removable sleeves that convert to a vest—perfect for temperature swings between icy terminals and stuffy jet bridges.
Adjustability Features for Personalized Comfort
One-size-fits-all never works for sleep gear. Premium travel jackets offer multiple adjustment points: hood circumference, eye mask tension, hem length, and cuff tightness. These should be operable with one hand and without looking—essential when you’re groggy and disoriented in a dark cabin. Look for cord locks that grip securely without slipping, and elastic systems that don’t stretch out after repeated use. The ability to fine-tune your microenvironment means you can block out that annoying reading light from 12C while staying ventilated enough to sleep comfortably through the entire transatlantic crossing.
Versatility Beyond the Airplane Cabin
Urban Exploration Adaptability
The best travel gear earns its place in your suitcase by serving multiple purposes. A well-designed travel jacket transitions seamlessly from red-eye flight to morning coffee meeting. Neutral colors like charcoal, navy, or olive avoid the “technical gear” aesthetic while hiding travel grime. Clean lines and minimal branding mean you won’t look like you just stumbled off a mountaineering expedition when you arrive at your hotel. The eye mask component should tuck away completely, leaving no visible bulge or awkward silhouette that screams “sleepwear.” This dual-personality design means you’re packing one item instead of three—jacket, sweater, and sleep mask.
Layering Systems for Variable Climates
Travel jackets function as crucial mid-layers in cold destinations or as standalone outerwear in milder climates. The sleeve and shoulder construction should be sleek enough to fit under a rain shell without bunching, while the overall cut accommodates a base layer underneath. For tropical destinations, the jacket’s packability becomes paramount—you’ll want it compressed in your daypack for over-air-conditioned restaurants and buses without it consuming valuable space. Understanding how your travel jacket integrates with your existing wardrobe determines its true value. Look for armhole sizing that works with everything from t-shirts to light sweaters, and a collar height that layers comfortably under scarves or shells.
Transitioning from Airport to Meeting Room
Professional travelers need gear that respects dress codes. Modern travel jackets achieve this through subtle texture choices—matte fabrics that read as suiting material from a distance, and refined hardware in gunmetal or black rather than bright colors. The silhouette should be structured enough to convey polish while remaining comfortable. Removeable hoods or hoods that collar completely transform the jacket’s formality level. Consider how the jacket looks when worn open over business casual attire; it should complement rather than compete with your outfit. The eye mask integration must be invisible in professional settings—no dangling straps or visible attachments that undermine your credibility in a client meeting.
Smart Budgeting for Quality Travel Gear
Investment vs. Value Analysis
A premium travel jacket represents a significant investment, but cost-per-wear calculations reveal its true value. Frequent flyers who travel monthly will amortize a $200 jacket over dozens of trips, making it cheaper than repeatedly replacing $30 disposable layers. Budget-conscious travelers should focus on core features: eye mask integration, packability, and fabric quality. Mid-range options often sacrifice advanced ventilation or premium zippers while maintaining the essential sleep-enhancing elements. Avoid jackets under $75, as they typically use inferior insulation that compresses permanently and fabrics that pill after minimal use. The sweet spot for value lies between $100-$150, where manufacturers balance performance with affordability.
Longevity Indicators to Watch For
Durability separates travel gear from fast fashion. Inspect product photos for reinforced stitching at stress points—particularly the hood attachment, pocket corners, and zipper ends. Bar tacking (those dense stitch boxes) at pocket openings indicates the manufacturer expects heavy use. Fabric denier matters: 30D ripstop offers better abrasion resistance than 20D while remaining lightweight. The eye mask attachment system should use metal hardware rather than plastic, which becomes brittle with repeated flexing. Check customer reviews specifically mentioning how the jacket performs after 6+ months of regular use; initial impressions rarely reveal long-term durability issues like insulation migration or zipper failure.
Warranty and Brand Reputation Factors
Travel gear takes abuse, and solid warranty coverage reflects a manufacturer’s confidence. Look for brands offering at least a one-year warranty against defects, with some premium manufacturers providing lifetime guarantees on zippers and seams. Responsive customer service is crucial—when a zipper fails mid-trip, you need a company that ships replacement parts quickly. Research brand history in technical apparel; companies with roots in outdoor gear bring decades of fabric and insulation expertise to travel-specific designs. Community feedback on repair programs and warranty claim ease often proves more valuable than marketing promises. A jacket that can be repaired rather than replaced aligns with sustainable travel values and saves money long-term.
Care and Maintenance for Long-Term Performance
Cleaning Protocols for Technical Fabrics
Frequent washing degrades insulation and water-repellent coatings, but airplane cabins aren’t exactly pristine. Spot-cleaning with a damp cloth addresses most travel grime, while a full wash becomes necessary only after extended trips. When washing becomes essential, use front-loading machines only—agitator top-loaders tear delicate fabrics. Select a technical wash like Nikwax Tech Wash rather than regular detergent, which leaves residues that impair breathability. Wash in cold water on gentle cycle, then tumble dry on low with clean tennis balls to restore loft. Never use fabric softeners or bleach, and avoid dry cleaning unless explicitly recommended by the manufacturer. For the eye mask portion, hand washing preserves the molded shape and prevents foam degradation.
Storage Solutions Between Trips
How you store your jacket between adventures dramatically impacts its lifespan. Never leave it compressed in its stuff sack for extended periods—this permanently crushes insulation loft. Instead, hang it on a wide-shouldered hanger in a closet with moderate humidity. If closet space is limited, store it loosely folded in a breathable cotton bag rather than an airtight plastic container that traps moisture. For long-term storage (seasons), wash and thoroughly dry the jacket first, then store uncompressed in a dry location. Adding silica gel packets prevents mildew in humid climates. The eye mask component should be stored flat or with minimal folding to maintain its contoured shape.
Refreshing Water-Resistant Coatings
DWR coatings degrade with washing and abrasion, but you can restore performance without replacing the jacket. After washing, apply a spray-on DWR treatment like Nikwax TX.Direct to the exterior fabric only—avoid the eye mask area. Apply while the jacket is damp, then tumble dry on low heat to activate the treatment. This simple process, done annually for frequent travelers, maintains the jacket’s ability to shed spills and light rain. Test the coating by sprinkling water on the fabric; it should bead up rather than soak in. If water immediately wets out, it’s time for retreatment. This maintenance extends the jacket’s utility far beyond the airplane, making it reliable for unexpected weather during your entire trip.
Style Considerations Without Sacrificing Function
Color Psychology for Travel Wardrobes
Color choice impacts more than aesthetics—it affects visibility, stain concealment, and versatility. Dark neutrals (charcoal, navy, black) hide airplane grime and pair with everything but show lint and pet hair mercilessly. Medium tones like olive, burgundy, or slate blue mask wrinkles while remaining professional. Avoid bright colors or busy patterns that limit outfit combinations and draw attention when you’re trying to sleep. Consider your destination: urban environments favor darker tones, while outdoor settings accommodate earth tones. The interior lining color matters too—a light-colored eye mask interior reflects less light, enhancing darkness, while a dark hood lining absorbs light rather than reflecting it onto your face.
Silhouette Choices for Different Body Types
Travel jackets should flatter without restricting. Athletic builds benefit from tapered waists that avoid a boxy appearance, while straight-cut designs accommodate layering for various body shapes. Petite travelers should avoid oversized hoods that overwhelm their frame—look for proportional hood-to-body ratios. Tall individuals need longer torso lengths and sleeve coverage that doesn’t ride up when reaching. The eye mask integration should scale appropriately; a mask designed for a large hood will gap on smaller heads. Some manufacturers offer “torso length” options, ensuring the jacket covers your lower back when seated—a critical comfort factor often overlooked in standard sizing.
Minimalist vs. Feature-Rich Aesthetics
Your travel style dictates your jacket choice. Minimalist designs offer clean lines and subtle features, appealing to those who prioritize appearance and pack extremely light. These jackets typically have fewer pockets and simpler hood systems but excel in versatility. Feature-rich options embrace their technical nature with multiple pockets, visible adjusters, and bold hardware—ideal for adventure travelers who use every function. The middle ground offers the best of both: hidden pockets, internal adjusters, and a refined silhouette that doesn’t broadcast “gadget jacket.” Consider your typical travel context—will you be pitching to clients or trekking to hostels? The eye mask integration should feel intentional, not tacked-on, regardless of the overall aesthetic.
Frequently Asked Questions
How does a built-in eye mask compare to a premium standalone sleep mask?
A properly integrated eye mask outperforms most standalone options by eliminating pressure points from straps and maintaining position regardless of movement. The hood’s structure creates a light seal that’s more comprehensive than fabric masks, while the lack of elastic prevents hair tangling and skin indentation. However, the effectiveness depends entirely on the quality of integration—poorly designed built-in masks can gap and let in light, while premium standalone masks offer more adjustability. For frequent flyers, the convenience of never forgetting your mask outweighs minor performance differences.
Can I wear these jackets in warm climates, or will they be too hot?
Modern travel jackets use zone-based insulation and breathable fabrics that make them suitable for cabin temperatures, not arctic conditions. Many feature removable sleeves or convert to vests, adapting to warmer destinations. The key is selecting a jacket with active ventilation and modest insulation (60-80gsm). In tropical climates, you’ll primarily use the eye mask function rather than warmth, making packability the critical factor. Some designs are specifically engineered for warm-weather travel, using mesh panels and minimal insulation while retaining the integrated sleep features.
Will the eye mask portion irritate my skin or cause breakouts?
Quality jackets use hypoallergenic, breathable materials for the eye mask lining—often the same fabrics found in premium bedding. Look for OEKO-TEX Standard 100 certification, which ensures no harmful chemicals. The mask should be removable for washing, allowing you to clean it separately with gentle, fragrance-free detergent. If you’re prone to breakouts, choose masks with silk or bamboo-charcoal linings that reduce friction and bacterial growth. Always test the mask for a few hours at home before committing to an overnight flight to identify any irritation issues.
How do I clean the eye mask without washing the entire jacket?
Most high-quality designs feature a detachable eye mask that connects via hidden zipper or magnetic system. Hand wash it in cool water with mild soap, gently squeeze (don’t wring), and air dry flat. For non-removable masks, spot clean using a damp microfiber cloth and diluted technical wash, being careful not to saturate the insulation. Some travelers keep unscented baby wipes for quick freshening between deep cleans. Never machine wash an attached eye mask—the agitation can break down foam and deform the contoured shape.
What’s the typical lifespan of a travel jacket with integrated eye mask?
With proper care, a premium travel jacket lasts 5-7 years of frequent use. The eye mask component typically shows wear first, with foam compression or fabric pilling after 2-3 years of heavy use. Key longevity factors include: fabric denier (30D lasts longer than 20D), zipper quality (metal outlasts plastic), and whether the eye mask is replaceable. Storing the jacket uncompressed and following cleaning protocols extends lifespan significantly. Budget options may last only 1-2 seasons before insulation degrades.
Are these jackets suitable for side sleepers on planes?
Side sleepers face unique challenges—the hood and mask must compress without creating pressure points. Look for jackets with articulated hoods that have extra fabric at the sides, allowing them to fold naturally when you lean against the window or headrest. Memory foam eye masks conform better to side-sleeping positions than flat foam. The hood’s adjustment cords should be positioned to avoid pressing into your temple when compressed. Testing the jacket while leaning your head against a wall at home simulates the in-flight experience and reveals any side-sleeping discomfort.
Can the eye mask block out sound as well as light?
While primarily designed for light blocking, the hood structure provides passive noise reduction by covering your ears. Some designs incorporate acoustic dampening layers in the hood, reducing ambient noise by 10-15 decibels—enough to soften cabin drone but not replace earplugs. The mask itself doesn’t block sound; its value is creating a sensory deprivation environment that makes earplugs more effective. For optimal results, combine the jacket with foam earplugs or noise-canceling earbuds, using the hood to keep them securely in place while you sleep.
How packable are these jackets compared to standard down jackets?
Travel jackets with eye masks typically compress to slightly larger than ultralight down jackets due to the structured hood and mask components. Expect a packed size roughly equivalent to a 1-liter water bottle versus a 500ml bottle for premium down. However, they offer far greater functionality for flyers. Synthetic insulation compresses more readily than down and maintains warmth when damp, making it superior for travel. The packed weight ranges from 12-18 ounces, competitive with standard lightweight jackets. The trade-off in minimal packability is justified by eliminating separate sleep accessories from your carry-on.
Do these jackets work for tall or petite travelers?
Sizing varies significantly between manufacturers. Tall travelers should seek brands offering “long” torso options with 2-3 extra inches in body length and sleeves. Petite travelers benefit from “short” sizes that prevent overwhelming hood proportions. The eye mask integration must scale with size—a mask that fits a medium hood will gap on an XS frame. Some companies engineer gender-specific hood geometry, with women’s designs featuring narrower spacing between eye cups. Always check size charts measuring hood depth and mask width, not just chest dimensions. When in doubt, size down for a snugger mask seal or up for layering flexibility.
Are there any TSA or airline restrictions on these jackets?
These jackets face no specific restrictions and are treated like standard outerwear. The integrated eye mask contains no metal components that would trigger security alarms. However, be aware that jackets with excessive pockets might prompt additional screening if they appear bulky on X-ray. Wearing the jacket through security is fine, though you may need to remove it for screening depending on protocols. The eye mask function is permitted during flights, though you must comply with crew instructions during takeoff and landing. Some ultra-premium jackets with battery-heated elements must be carried on, not checked—though this is rare and clearly marked.'