Material:
Outer fabric 230T polyester,tear-resistant,waterproof;
Lining:Cotton flanner,softness and skin-friendly
Filling:300 g/m² or 500g/m²shaping cotton fiber filling ensures warmth during cold weather camping nights at all seasons,even in cold nights at winter.
Size : 86.6*39.3inchs（220*100cm）suitable for most people under 6.6 feet tall,very suitable for big and tall builds that stretch freely and adjust sleeping position inside for ultimate comfort or those famliy that hopes camping with child use at short trip on weekend.
Temperature and Weight：
Weighs 5.3 lbs and is filled with 300g/m²; operating temperature range:
Comfortable temperature: 44°F（7°C）
Limit temperature: 35°F（2°C）
Extreme temperature: 19°F（-7°C）ensures protection against frostbite at extreme temperatures,beter for spring,summer,fall and early winter,
Weighs 7.5 lbs and is filled with 500g/m²; operating temperature range:
Comfortable temperature: 32°F(0°C)
Limit temperature: 16°F(–9°C)
Extreme temperature: 0°F(–18°C) ensures protection against frostbite at extreme temperatures,beter for cold weather and winter.
And equipped with a portable integrated compression sack, ideal for outdoor camping trips,hiking and backpacking,car trip,hunting,travel etc.the 7.5lbs sleeping bags maybe perfect for use in a fixed location; it's a bit heavy for backpacking or hiking.
Washing Instructions: Maching washable.
Applicable Scenarios: Outdoor and indoor;
example:hiking,climbing, camping,self-driving tour, fishing, for use in RVS and other outdoor activities or other indoor activities: as a rug at home;naping in office etc;it can be taken anywhere you want to go.

This lining of the oversized sleeping bag for all season uses 100% cotton flannel,soft and comfort to the touch,superior insulation compared to other fiber sleeping bag liners; the exterior features 230T tear-resistant fabric that effectively blocks wind, waterproof and retains warmth. We've also added double windproof press-studs at the top and bottom, along with dual drawstrings to prevent heat loss during nighttime temperatures. Paired with 300g/m² or 500g/m²shaping cotton fiber filling, it delivers a perfect warm camping experience at all seasons,even stay warm at winter cold nights—an excellent choice for 4 season sleeping bag.

Free Feet:The bottom zipper of warm lightweight sleeping bags for adults allows you to adjust the temperature inside the sleeping bag, ensuring a comfortable sleep even during hot summer or in spring and autumn/fall when temperatures fluctuate significantly.

PS:We provide a 365-days FREE RISK PURCHASE. Should you encounter any issues, please contact us promptly and receive the best product quality and service.