Best Sea To Summit Sleeping Bag Liners in 2026

Insulated sleeping bag liner adds extra warmth and personal hygiene to any sleeping bag

Reactor Fleece adds up to 32F degrees and features a quarter-length zip; can be used as standalone bag

Thermolite hollow core insulation is lightweight, soft and comfortable with stretch knit construction

Versatile, low-profile fleece sleeping bag liner provides warmth and comfort

Can be used on its own to keep you comfortable in temperatures as low as 50 degrees Fahrenheit

Adds up to 12 degrees F of extra thermal protection to most full-sized sleeping bags

FULL LENGTH ZIPPER – The Vumos Sleeping Bag Liner comes with a full zipper that runs fully down one side and across the bottom of the liner. This means it can be fully unzipped to make a large sheet.

PERFECT SIZE – The liner measures 85 inches (216cm) long and 33.5 inches (85cm) wide. It has ample room for tall people without having excess material that makes you uncomfortable. Also has a pillow pocket at the top that is 33.5 inches (85cm) wide and 13 inches (33cm) high.

SILKY SOFT – The fabric used is 100% Polyester with a silk like finish so the soft, breathable and lightweight fabric feels great against your skin.

✿GENEROUS SPACE:Two sizes available.The sleeping bag liner is 45 x 82.7inch(115 x 210cm)/ 63 x 82.7inch(160 x 210cm) which gives even tall people space to move around and stretch out the legs.It can be travel sheet, lightweight sleeping bag, travel sleeping sack thanks to its good humanized size.

✿GREAT DESIGN: The sleep bag liner has a 39" (100cm) opening on one side to make it easy for you to get into. It can be used alone as a sleeping bag for separate dirty things, or used as a liner in down sleeping bag,or as a hotel sleeping sack. Keeps you comfortable throughout the night.

✿PREMIUM FABRIC: The sleeping bag liner is made of premium polyester with a silky texture which makes it very soft and comfortable against your skin. Unlike normal cotton fabric, easy to crinkle. This new type of fabric no crinkle, no pilling or fade, can be used for a long time.

✅ GENEROUS SIZE: 41" x 86" (105 x 220cm) including pillow pocket - this liner allows you to stretch out your legs in any sleeping bag or hostel bed. Folds down compact into its 6"x8" pocket. The body compartment excluding pillow pocket is 66.5" long. Ultra lightweight backpacking-friendly at only 237gr/8.35 ounces, zipper version 260gr/9.17 ounces.

✅ SILKY SOFT AGAINST YOUR SKIN: Made of durable, easy clean machine-washable Polyester with comfortable silk texture that is soft against your skin while also transporting away sweat and moist from your body during hot summer and spring nights.

✅ KEEPS YOU AND YOUR CAMPING BEDDING CLEAN: Increase the longevity of your sleeping bag by protecting it from bacteria, sweat and other potential contamination. Bring it on your camping/backpacking trip to have it ready for camp and hostels to discourage those nasty bed bug. Why not even bring it on your weekend trip as a clean layer between hotel sheets for extra protection?

LIGHTWEIGHT SLEEPING BAG LINER AND TRAVEL SHEET IN ONE GREAT VALUE PRODUCT: There's no need to pay extra for both a sleeping bag liner and a travel sheet. You can use this product as both! Just unzip the omnidirectional zipper and the sleeping bag liner instantly transforms into a travel sheet.

EXTRA COMFORTABLE MATERIAL AND DESIGN: The breathable microfabric is magical. It's just as comfortable as cotton but lighter and smaller. Unlike cotton, this material will dry quickly. The comfortable 220x90 cm size and the full-size zipper will help you relax even in tropical heat and let you enjoy your holiday even more.

ULTRA DURABLE QUALITY THAT'S MADE TO LAST: This sleeping bag liner/travel sheet is engineered for extra durability. With the strong microfiber, high quality stitching and a long-lasting zipper you can take it everywhere without worrying about snags or tears. It will be your travel companion for years.

Fill Material : Sleeping bag liner No Fill Material

THICKER & WARMER: Our lightweight sleeping bag liners are made using thicker, softer and lightweight fleece to provide you with a convenient way to stay warm and comfy in the outdoors. This all season sleeping bag liner can add up to 27F to your sleeping bag so you can sleep comfortably through the night

MADE WITH COMFORT IN MIND: This mummy sleeping bag is made using soft yet flexible fleece fabric that keeps you warm while giving you the freedom to move around. Thanks to the drawstring hood it locks in the heat for extra warmth while the foot box design gives your feet more space to move around

MAKES ANY XL SLEEPING BAG WARMER: Soft, lightweight sleeping bag liner will add 10 degrees of warmth to your night

PERFECT FIT FOR THE PERFECT SLEEPING BAG: Sleeping bag liner for your favorite TETON Sports Sleeping Bags; XL Sleeping Bag Liner for the Celsius and Fahrenheit XL and XXL Sleeping Bags; Split sides for easy exit and entry

EXTRA USES: Extra soft cotton liner can also be used as a guest sheet or take it when you're the company; Liners make cozy travel blankets, especially in airplane seats where feet are always cold or on drafty benches

Cold Weather Comfort: Designed with versatility in mind, these fleece sleeping bag liners add extra warmth to your sleeping bag and double as a cozy blanket for relaxing at home or when traveling

Soft and Spacious: Crafted from ultra soft and breathable microfiber fleece, the sleeping bag sheet measures 70 inches long, 31 inches wide when zipped, and doubles in size when unzipped

Ultralight and Compact: The fleece sleeping bag liner packs down into a 6 inch carry bag and only weighs 1 pound, making it easy to pack as a hot weather sleeping bag or add to your cold weather camping gear

SLEEPING BAG LINER: Made of high quality fabric, is lightweight and breathable. So that the pillow does not slip in your sleep, there's a handy slide-in pocket - cuddle up and wake up feeling refreshed!

PRACTICAL: The sleeping bag has S-210cm x 75cm and L-210cm x 180cm in a very compact pack size and offers so much space when sleeping. This will keep you warm even in colder nights, thanks to the extra heat output, and sleeping peacefully.

GOOD ACCESSORIES FOR TOURS: Perfect for cabin stays, the cabin sleeping bags are also suitable as inlay for sleeping bags. It can be used both as an additional insulation layer in the sleeping bag, as well as your own blanket summer. And it is ideal for travel, backpacking and camping and can be easily transported.

✅ SKIN FRIENDLY –100% cotton. The sleeping bag liner adopts the environmental printing and dyeing, skin-friendly and non-irritating, not easy to fade. With a smooth touch, high strength that can withstand washing. No fuzzing and static electricity

✅ PRACTICAL DESIGN - Pillow cover equipped, the travel sheet is effective to keep clean and comfort. With side opening tear-resistanet design, it can also reduce the risk of ripping the sleeping sheets when turning over during sleep

✅ HIGH BREATHABILITY - There is a zipper on the bottom, increase the breathability when opening, keep it warm when closed. In addition, because the camping sheet of cotton has high water absorption, the cotton sleeping bag liner can absorb moisture and discharge it out. Night sweats can also be absorbed quickly

Soft & Breathable Fleece: Our camping sleeping bag liner is made using soft, lightweight and breathable velour fleece to help you stay warm and comfortable in the outdoors. It’s gentle on the skin, anti-static and will add up to 14°F so you can enjoy your time in the outdoors

Stay Warm & Comfy: We designed this microfleece velour sleeping bag liner to provide you with just the right warmth to keep you comfortable both outdoors and indoors. The drawstring hood provides adds more warmth while the foot box design gives your feet more space to move around

Made For Travelers: This mummy sleeping bag is the perfect choice for travelers, hikers or campers that want to pack light. It weighs only 0.9lbs allowing you to easily carry it and can be rolled up to save space or stored in the carry sack making it ideal for all your outdoor adventures

High quality zipper with a length of 52” (132cm) on the right and left sides for easy access from both sides

Luxurious space: 87”x43” extra wide sleep sack enables tall people to move freely inside. 43” wide pocket for pillow insert.

100% natural fiber. Silk is extremely soft, smooth and light weight. Cotton Improves thermal performance. The fabric is hypoallergenic and breathable; it won’t irritate sensitive skin, and doesn’t create statics. Machine washable.

Stay Warm & Comfy: We designed this sleeping bag liner sheet to provide you with a simple way to stay warm and comfortable even in the outdoors. When used with a sleeping bag, this travel sleeping bag liner can add up to 22°F/ 12°C warmth to your sleeping bag for a good night’s sleep

Soft & Elastic Fabric: Each hiking sleeping bag liner is made using only soft, smooth and elastic fabric that locks in the warmth so you can sleep comfortably in your sleeping bag. It’s ideal for use both indoors and outdoors as well as helping keep dirt and bugs away

Compact & Lightweight: Thanks to the lightweight and foldable design, you can easily roll this sleeping bag liner and take it with you anywhere you want. Our lightweight sleeping bag liners come with a carry sack allowing you to pack the mummy sleeping sack down to only 7”x4.5” (17x11 cm)

💕【Material & 3 Size of Sleeping Bag Liners】: polyester fiber, breathable, durable, will add a few extra degrees during chilly nights, no pilling or fade, you will feel very comfortable and soft, great even for sensitive skin; two size available: 115 X 210cm/83x45’’ for one person or 160 x 210cm/83x63’’ or 180x215cm/70.9x84.6’’ for two persons, great size even for tall people to stretch out legs. The opening length is 100cm/39’’ for you to get in

💕【Portable Compact Lightweight Travel Sleeping Bag Liners】: only 20oz (573g)/23oz(650g), with the lightest and high quality fabric, your sleeping bag liners will always keep clean and soft even in the cold weather. The sleeping bag liner can be folded into a 21x21cm/8.3x8.3" bag for taking and traveling. You can easily put the sleep sack into the backpack for hiking

💕【Function of Sleeping Bag Liners and Complete with Pillowcase】: sleeping bag liners are breathable and comfortable, which is ideal to bring to hotels, youth hostel, or anywhere else you might travel. Take comforter off bed and use this to sleep in and it will give you a sense of cleanliness. You can use this versatile travel sleeping bag liners inside your sleeping bag to keep it clean, or use as a stand-alone sleep cover or sleeping bag in very warm climates

❖PREMIUM MATERIAL - The sleeping bag liner is made of premium cotton and polyester, no pilling or fading at all, which is different to the normal cotton and can be used for a long time. Feeling silky soft, comfortable and breathable，very nice to your skin.

❖PERSONALIZED DESIGN - The travel sleep bag liner has a 39" (100cm) opening on one side to make it easy for you to get into.And comes with a built-in pillowcase to wrap the pillow completely.It can be used alone as a sleeping bag for separate dirty things, or used as a liner in down sleeping bag,or as a hotel sleeping sack. Keeps you comfortable throughout the night

❖2 SIZES AVAILABLE - The liner have 2 sizes available: 45 x 82.6inch(115 x 210cm) and 63 x 82.6inch(160 x 210cm). All sleeping sack liners are long and wide enough for tall person to move around and stretch out legs, turn comfortably in your sleeping bag or hostel bed. The compact sleeping bag liner can packaged in a carry pouch (21x21cm (8.3x8.3"))to save space,makes it easy to carry.

Silky Soft & Warmth: Constructed of 100% premium polyester provides extraordinary warmth and comfort for its weight and remains extremely breathable. (100% Money back guarantee if you are not satisfied)

Ultralight & Compact - Package size is 7.8"x3.9". Weight: 0.65lbs/0.3kg. Perfect for Summer camping used as warm weather sleeping bag.

Roomy & Comfortable: Measures 84.6" x 33.4" in size offers extra comfort in use, Easy to get in and get out, and it includes a 13.7" x 33.4" pillow pocket, Our liners are designed to build a home-feel sleeping system and provide better rest after a long day of outdoor activities.

Microfiber fleece sleeping bag liner is very comfortable, Machine washable for easy cleaning

Stay comfortable when it’s 50 to 86°F outside, Adds 12 F of extra warmth when used to line another sleeping bag.

Available in a variety of colors great for you-(Orange/Coffee/Red) .Unfold size: 71 in. (L) x 32 in. (W),it's design for most people. Fold size: 11 x 5 x 5 in. Blanket rolls up into carrying bag for ease

✿GENEROUS SPACE:The sleeping bag liner is 45 x 82.7inch(115 x 210cm)/ 63 x 82.7inch(160 x 210cm) which gives even tall people space to move around and stretch out the legs.The sleeping bag liner can be travel sheets for hotel, lightweight sleeping bag, camping sheets thanks to its good humanized size.

✿GREAT DESIGN: The travel sheets has a 39" (100cm) opening on one side to make it easy for you to get into. The travel sheets can be used alone as a sleeping bag liner for separate dirty things, or used as a liner in down sleeping bag,or as a travel sheets for hotel. Keeps you comfortable throughout the night.

✿PREMIUM FABRIC: The sleeping bag liner is made of cotton and premium polyester with a silky texture which makes it very soft and comfortable against your skin. Camping sheets adopt unlike normal cotton, easy to crinkle. This new type of fabric no crinkle, no pilling or fade, this sleeping bag liner can be used for a long time.

Acazmpar Single Microfiber fleece sleeping bag liner is very comfortable, Machine washable for easy cleaning

Stay comfortable when it’s 60 to 86°F outside, Adds 12 F of extra warmth when used to line another sleeping bag.

Available in a variety of colors great for you-(Navy Blue)

Material: sleeping bag liner was made of thicker, soft, warm, breathable microfiber fleece, machine washable for easy cleaning.

Size: Unfolding size is 71"*63"/180*160cm. Folding Size:71"*31.4"/180*80cm. Package size: 16''*10.6/41*27cm. Weight: 650g/1.43lbs.

Extral Warmth: Stay comfortable when it’s 55 to 80°F outside, Adds 12F of extra warmth when used to line another sleeping bag.

FUNNY STRETCH -- The sleeping bag liner is made from Polyester & Elastic Fiber, all-round strong elasticity allows you to stretch randomly, feel free to switch varieties of sleeping pose. Great tensile and strong in ripstop.

OPTIMAL COMFORT -- Ice silk sleeping sheet is soft with a smooth feeling, no irritation to the skin, absorb sweat effectively to service you a refreshing night.

WATERPROOF -- Water drops on the travel sheet surface like lotus leaves, 100% waterproof sleeping sack. It can dry quickly, always keep you in dry and clean.

BREATHABLE FABRIC - Ultra lightweight and silky smooth,non-fading, anti-pilling,very soft and comfortable against your skin,keep you warm and will never feel clingy and sticky in hot weather,let you sleep well.

LUXURIOUS SIZE - The travel sheet is at 83" long by 45" wide (210 x 115 cm) with a pillow pouch, it gives you plenty of room to move around and stretch legs freely. It's easy to get in and out.

GREAT DESIGN - The travel sheet has a 33.5" (85cm) opening on one side to make it easy for you to get into, and a zipper on the bottom for you to extend the foot. This liner will let you spread out in your sleeping bag or hotel bed to separate dirty things. Weighing0.83lb (580g), adds little to your backpack weight,can be folded into a practical 7.8"x7.8"x2.3"(20x20x6cm) pocket when not in use,easy to carrying and saving pace in your backpack.

DESIGN: Designed by outdoor enthusiasts from California, USA. The Fleece Sleeping Bag Liner was created for the camper, hiker, backpacker, and traveler on the go looking to save space and weight on their pack. The materials and tech used to manufacture the Fleece Sleeping Bag Liner allows for a comfortable and warm night sleep, a quick load uptime, and an easy to clean product for future adventures

CONSTRUCTION: FE Active’s fleece sleeping bag liner is designed of soft and skin-friendly insulating materials. Its drawstring hood provides major protection and comfort while adventuring. This bivy sack is ideal for family camping trips. The Vernon outdoor blanket's length is the perfect fit for adults and children. The liner has a high-grade dual slider zipper that allows to be opened and closed from the inside and the outside. The Vernon is the perfect product for world travelers

DIMENSIONS: The Fleece sleeping bag liner is constructed to provide comfort and warmth during adventurous outdoor nights. This fleece sleeping sack's body is 75.59 inches long plus 11.8 inches long in the hood, and 30.7 inches wide. The Fleece sleeping bag liner compactly rolls up into its drawstring bag pouch for a total weight of 1.98 pounds that can be easily carried and clipped onto a backpack.

🌛【UNMATCHED QUALITY】This sleeping bag liner adopts imported healthy and superior quality polyester fabric, Breathable, lightweight and durable, skin-friendly and soft, will not shrink, without fading. The sleep sheet is washable and not easy to be broken, always give travelers and campers durable use.

🌛【TRAVEL SHEET SIZE】Two sleeping sheet sizes for your choice. Size: 210 x 115cm/83 x 45inches, widen and comfortable, suitable for single person; Size: 210 x 160cm/83 x 63inches, suitable for two person. Can be folded into a practical 20 x 20cm (8 x 8") pocket when you don't use it, only 560g and 650g, it’ll not take up much space in your backpack(Storage Bag Included).

🌛【EASY TO CLEAN & HEALTHY】Machine washable and hand washable. Easy to wash and air dries quickly. Do not bleach and dry clean, do not soak for a long time. The adult camping sheet is healthy and comfortable, soft and environmentally friendly, which can better help you enter deep sleep and enhance your sleeping experience.

Double-sided Usable Design - There's a almost full lenght zipper on the left side, so you can easily go to bed from the left side. But you can also use the sleeping bag in reverse when you need to go to bed from the right side.

Double-sided Usable Design - There's a almost full lenght zipper on the left side, so you can easily go to bed from the left side. But you can also use the sleeping bag in reverse when you need to go to bed from the right side.

Smooth Side Tearaway Zipper - Just sit up, "rip" the zipper. You can go out very easily by "ripping" the zipper smoothly, rather than using your fingers to pull the zipper to the bottom. You can open the zipper very easily like ripping a piece of paper.

【Comfortable Travel】- Extra soft cotton liner can be used as a guest sheet or take it when you're the company, keep a comfortable sleep on the go very important. Liners can also make cozy travel blankets, especially in airplane seats where feet are always cold or sleeping bag for summer camping

【Skin-Friendly】- The sleeping bag liner is made of polyester cotton make you comfortable, the biggest advantage of polyester fiber is good wrinkle resistance and shape retention, and it has high strength and elastic recovery, can be used for a long time, feeling silky soft, comfortable and breathable, make your skin feel more relaxed

【Personalized Design】- The travel sleep bag liner is fixed with Velcro on one side, so that the sleeping bag sheet liner will not shift during your sleep. And comes with a built-in pillowcase to wrap the pillow completely. Or used alone as a camping bag for separate dirty things. With this sleeping bag liner, your trip will be clean and comfortable

✈️ SOFT MATERIAL: The fabric used is 100% cotton, which has a soft texture and makes your skin very soft and comfortable. 100% cotton, skin-friendly and breathable, very lightweight, no pilling or fade, can be used for a long time

✈️ EXCELLENT DESIGN: The sleep bag liner has 31.50" (80cm) openings on both sides to make it easy for you to get into. It can be used alone as a sleeping bag to isolate dirty things, or used as a liner in down sleeping bag, or as a hotel sleeping sack. Keeps you comfortable all night

✈️ LIGHT TRAVEL: The liner comes with a small stuffing bag, which is very convenient for packing. It's very lightweight and easy to carry without taking up too much space in your backpack

ALL AROUND TWO-WAY ZIPPER. It has a full zipper that runs fully down one side and across the bottom of the liner. Opening the side as much as you like to get in and out, or just unzip the bottom to stretch your feet out of the liner.

LUXURIOUS SPACE: 87”x41”, it is an extra wide sleep sack, enabling tall people to move freely inside. This Travel sheet is fold up in a 7.5” tall ripstop stuff bag. With an attached small hook on the carry case, you can link it up with the travel sheet and take it down easily, and won’t lose the small carry case. It has a 41” wide pillow pocket at the top.

SOFT SILKY FIBER: Extremely soft and smooth to your skin. This special nightwear fabric is lightweight, quick dry, breathable, durable and machine washable

1.The most comfortable warm weather sleeping bag, it’s made from natural plant material-BAMBOO, it's breathable, super soft, healthy, super stretchable, stays cool in the night.

2.Two styles for option: Style A: Rectangular with pillow pocket – 87”x41”, 1.6lbs. (750g), spacious size to move your legs inside the sleeping bag. Style B: Hooded mummy with draw strings and box shaped foot bottom is great to keep your sleeping bag clean – 87”x34”, 1.1lbs. (520g), Wicks moisture and breathes well. The mummy bag has hoodie that keeps bugs off you; box shaped foot bottom provides much free of movement.

3.Comes with a small stuff sack, and packs small, they’re very lightweight to carry with and take little room in your luggage. Packed size 8.6"x5" (22x13cm) for the rectangular; Packed size 7.5"x43" (19x11cm) for the mummy.