-22/25/30-degree Sleeping Bag, 853120 inches, Eiderdown Sleeping Bag Against Extreme Weather, Fahrenheit Synthetic and Down Filled Mummy Sleeping Bag for Winter Camping (Down Weight 2.64/3.3/3.96 Lb) Zipper on One Side. Can Be Used In Three Seasons. Quality Guaranty !New Year Promotion!come on Baby! For People Under 6' and 190 LB, Shipped by DHL, Arrive You in 4-5 Days After Delivery. Filler Material: 100% white duck down Material Inside: 300T POLYESTER PONGEE, non-pilling, non-ill-smelling, soft and comfortable Material Outside: 100% anti-tearing 380T waterproof nylon, after softening treatment, the material can be very soft Temperature: Sleep comfortably from -10-0 degree, lower limit -25 degree 2.64lb.(-22)/3.3lb.(-25)/3.96lb.(-30) is the weight of down in the sleeping bag, so the actual weight of the sleeping bag will be higher. The more down in the sleeping bag, the warmer it can be.