Best Zipper Sleeping Bag Expanders in 2026

Mummy-style adult sleeping bag for camping in temperatures as low as 0 degrees Fahrenheit

Can accommodate most people up to 6 feet 2 inches in height

Semi-sculpted hood tightens with a drawstring to seal in heat

SUPER COMFORTABLE AND SO WARM: Agemore Waterproof Backpacking Flannel Cotton Double Sleeping Bag is perfect for backpacking, camping and biking. Lined on the inside with a super soft brushed flannel cotton and filled with a high level 3D synthetic fiber fill for optimum warmth insulation. Suitable for spring, summertime and fall camping. Measures 59in (W) x 86.6in (H); fits people up to 6ft tall. Similar to sleeping in your own bed at home.

LIGHTWEIGHT AND COMPACT: Specifically engineered to compress tightly for easy packing, but puffs up nicely when in use. Amazingly ultra-lightweight and provides superior warmth. Easy to fold and includes a travel-friendly compression sack with a drawstring and straps for powerful compression. Compresses down to 17x 11.5x 11.5inches, with weight being only 7 lbs.

USE AS ONE DOUBLE or TWO SINGLE BAGS: Can be used as a single extra-large sleeping bag for doubling up, or it can be split into two separate sleeping bags. Features zippers on both sides so that either person can easily get out of the sleeping bag without disturbing the other person. Can also be fully unzipped and laid flat, turning the sleeping bag into two separate large blankets.

0 Degree Sleeping Bag: Perfect cold weather sleeping bag features WR 800 fill power goose down insulation with a revolutionary microscopic ClusterLoft base to keep you warm from 0 - 30 F

Hiking Gear: Designed for thru-hiking, backpacking and camping, this ultralight sleeping bag boasts superior weight-to-warmth ratio at only 3.10 lbs for Regular; Sleeping bag stuff sack included

Hydrophobic Water Repellent: DWR-Coated camping sleeping bags for adults feature 400T 20 D ripstop nylon fabric liner, 2 large YKK zippers with anti-snag sliders, velcro, drawstring & vertical baffles

SUPERIOR MATERIAL: This lightweight sleeping bag with a perfect balance between warmth and quality. High air permeability shell combines with hollow fiber fillings provides a warm and dry space no matter in Winter or Summer! No more shivering uncontrollably sleeping in the backcountry. The fabric is waterproof and difficult to stain, easily to clean by wiping and also machine washable

LIGHTWEIGHT & COMPACT: If you're going to backpacking or researching a sleeping bag for kids, weight is going to be a big consideration. Clostnature sleeping bag is 7'3"x2'8"(HxW) and won't weigh much at all, only 3 pounds and could be compressed only 12'x8"x8". The compact sleeping bag also comes with a storage sack, easily to fit it into even by a child and no more folding or rolling worries. Handle on the storage sack convenient for your girl or boy to carry in the camping trip

VERSATILITY: A right zipper and a left zipper can be zipped together to a double sleeping bag for couple or family uses. This is a RIGHT zipper sleeping bag listing, you can find the LEFT zipper sleeping bag listing in Clostnature's Store. The separated zipper on the bottom offers better ventilation for your feet. And the cold weather sleeping bag could spread out as a 6'3"x5'3"(HxW) blanket for kids at home. All in all, it is your best sleeping bag for camping, backpacking, and hiking

✅ BEST YEAR ROUND SLEEPING BAG - Perfect for spring, summer, fall, and cool weather, with a rated temperature from 40°F to 77°F (optimal comfort temperature 62°F to 75°F). Keep yourself cosy, warm and safe in every situation at normal altitudes. The ultra-strong, waterproof outer protective shell is made from our unique waterproof hex-tech design, double-layered with S-shape stitching, and 3D inner synthetic fiber fill for optimal warmth and insulation to protect you from the elements.

✅ CAMP IN COMFORT FOR ALL AGES - Bring the comfort of your own bed to the great outdoors. Our camping sleeping bags are engineered to guarantee a good night's sleep after a hard day of activities. No matter how tough the terrain or long the day, sleep well with MalloMe. And with vibrant colors loved by both boys and girls, they're great for kids too!

✅ ULTRALIGHT FOR BACKPACKING - A must have for hiking, backpacking, and camping, the perfect balance of performance and lightweight materials for every adventure. Each sleeping bag comes with a compression sack with straps, which makes it super convenient to store and easy to carry.

PRACTICAL COMPACT AND LIGHTWEIGHT DESIGN: Our sleeping bag is large enough to fit an adult 6'1"-6'6". Girth of shoulder/ hip/ foot: 63", 50.3" 33" nice for you comfortable sleeping. When folded and store in its carrying bag, the lightweight sleeping bag is easy to carry (1.62kg/3.6lbs).

STAY WARM AND COZY DURING THE NIGHT: Thanks to our innovative heat retention technology, quilted construction and insulated footbox, this fluffy mummy sleeping bag will keeps you comfort from 50 to 68℉ or more, keeps temperature limits to 32℉or more. The adult mummy bag also has a drawstring hood that keeps the warm air in and the cold air out and away from your head and neck.

WATER REPELLENT & RIPSTOP FABRIC: 210T ripstop polyester shell protects against windy and wet weather Keep you warm even in wet weather conditions and prevent you from getting damp. Thanks to the ripstop fabric (double-layer)is durable and resists damage from stones, branches and other natural elements.

☀MULTIPLE USE SLEEPING BAG : Our double sleeping bag with 2 pillows can be separated into two individual sleeping bags or 2 queen size blankets thanks to the wraparound zippers. No matter how you use it, whether you go outdoor or use it indoor, this adult sleeping bag will warm your tour and give you a good night sleep experience

☀LARGER THAN QUEEN SIZE : Roomy, rectangular shape provides maximum comfort and easily fits 2 people up to 7 FEET, so lofty and wide even for two big and tall persons to have plenty of room to stretch out. The separated bottom zipper lets you ventilate the foot section for better temperature control

☀GOOD FOR EXTREME WEATHER : Our 2 person sleeping bag aims to help you stay warm and cozy even in cold weather condition. Double layer construction of 400 GSM innovation fiber filling is engineered for maximum warmth and a soft feel, which will give you enough padding and comfort to make you feel like sleep in the cloud

Nylon

【USED FOR 3-4 SEASONS】Our Sleeping Bags can be used for 3-4 seasons.Rated temperature 5(℃)--25(℃).Furthermore,These bags have a waterproof to prevent you from getting damp and keep you warm.You can get a good and relaxing sleep after a tiring day of hiking.A perfect fit for both adults and children. Features an adjustable drawstring.Please note our recommended temperature is for reference only. Different people may have different perception for temperature.

【FILLING MATERIAL】 Outer Cover Material:290T Nylon,Waterproof and Breathable Fabrics;Lining Material:It is filled : superfine fibers.its lightweight & compact design which is convenient to carry along for any outdoor adventures, and its ability to withstand extreme weather conditions.Half-circle hood with adjustable drawstring keeps your head warmer even in extreme conditions.

100% Cotton

Suitable for 4 Seasons: Built from cotton, the sleeping bag is the ideal option for camping as it can be the convenience needed for four seasons. With a temperature range of -10°F-68°F, you can get the comfortable sleep you need after a day of adventurous outdoor camping, backpacking, hiking, travel.

Premium Material: This durable sleeping bag is made of high quality fluffy cotton fabric which is very soft, the surface material is made of the highest grade 100% polyester fiber, the filling is made of hollow cotton to ensure light weight, durable and easy to carry, it can help you get rid of heavy work, hiking and hard day, and give you a relaxing and warm sleep.