SPECS: Dimensions: 79 x 29 in. Packed Size: 7 x 31 in. Weight: 5 lb. 13.3 oz. DESIGN & DETAILS: 6.5 R Value sleeping mat perfect for cold weather adventures Four inch thick foam with a knitted polyester upper face fabric that offers an incredibly comfortable night's sleep Delta coring removes 40% of the foam to reduce weight and bulk without compromising durability Multi-function valve offers fast and easy inflation and deflation, while also letting you fine-tune the air pressure in your mat PillowLock System prevents your pillow from shifting throughout the night