StrataCore Construction: Yielding an impressive warmth-to-weight ratio for self-inflating foam, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam. Premium Self-Inflating Comfort: Three inches (7.6 cm) of premium foam wrapped in ultra-plush stretch knit fabric. Easy to Pack: StrataCore construction allows the pad to easily compress into a smaller packed size. WingLock Valve: Our intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath. Multiple Sizes: Offering a range of sizes, including a spacious regular wide, allows you to pick a length that best suits your adventure needs. Stuff sack included R-Value: 4.4 Weight (Standard): 1 lbs 13 oz Width (Standard): 20 in Length (Standard): 72 in Height (Standard): 3 in Thickness (Standard): 3 in Packed dimension (Standard): 11 in x 8.8 in Top fabric type: 50D polyester knit Bottom fabric type: 50D polyester Polyester, Polyurethane