BISINNA Sleeping Bag with Pillow - 4 Season Lightweight Waterproof Warm Sleeping Bag with a compression sack for Adults, Women, Men's Outdoors Camping, Hiking, Backpacking[Ultimate Sleep Experience] When you are on your outdoor adventures a good night's sleep is necessary and BISINNA sleeping bag will help in keeping you warm, cozy and rested. The camping bags use 400GSM hollow cotton to keep you warm all night. Further, the comfort temperature is at 10C 50F, comfort limit is at 5C 41F and extreme temperature is at 0C 32F. [Skin Friendly and Waterproof] The surface of the sleeping bag has 210T polyester and hollow