New Mummy Sleeping Bag for 2015. Single Envelope Sleeping Bag 32-59 F Camping Hiking, 3 Season Sleeping Bag, 31.5''78.8'', CAN Be Spliced to Couple Sleeping Bags, Carry Bag, Office Sleeping Bag, Down Sleeping Bag, Camping Sleeping Bag, Hiking Sleeping Bag, Sleeping Bag Envelope. Easy Portable. Two Colors Available. For People Under 6.1' and 199 Lb, Express Delivery. Arrive You in 5-7 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 32-59 F, lower limit 32 F The sleeping bag is suitable for 3 seasons without winter, you should choose other sleeping bag if you go hiking or camping on winter. 1.3lb.(0-15) is the weight of down in the sleeping bag, and the actual weight of the sleeping bag is 2.2 pounds.