For unprecedented comfort during your backcountry adventures, the Trail Pro brings year-round warmth and legendary Therm-a-Rest support. The self-inflating foam measures 3 inches (7.6 cm) and features our StrataCore construction, a design that provides the best warmth to weight ratio of any self-inflating foam construction. The Trail Pro’s 4.4 R-value allows adventurers to enjoy backpacking and camping year round. The versatile self-inflating pad features the high-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. 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: 1 lbs 13 oz. DIMENSIONS: 72″ x 20″ x 3″. THICKNESS: 3″. PACKED DIMENSION: 11″ x 8.8″. TOP FABRIC: 50D polyester knit. BOTTOM FABRIC: 50D polyester. Made in the USA. Spot clean.