The Comfort Light Self Inflating Mat is an excellent lightweight, backpacking option that offers suberb comfort with minimal weight and packed size. The Delta Core technology removes 40% of bulk and weight while leaving a 2 inch thickness to keep your nights comfortable. The multi-function valve is a low profile, high volume valve that allows fast deflation without fighting re-inflation as you go. The self inflating mats join the award winning Air Sprung Cell mats to comprehensively round out the sleeping mat range - everyone is covered.Features Packed Size Comparison: Similar to a roll of paper towels Performance: 3 Season: Take this mat out late spring into early fall, no matter where you are Durability: Woven 30D polyester face fabric chosen for its light weight and strength R-Value of 2.7 2 inches thick Utilizes Delta Core technology, which decreases bulk and weight while still offering great support and pack-ability Multi-function, patent-pending multi-function valve twists over to allow the mat to be rolled tightly without fighting re-inflation as you go Outer fabric of 30D woven polyester which is light and durable Silicone print prevents the sleeping bag slipping on the mat, or the mat slipping on the tent floor Specs: Best Use: Backpacking, Camping Comes With: Stuff Sack Fabric: 30D Polyester with an anti-slip print Foam: Delta Core technology R-Value: 2.7 Season Rating: 3 Season Special: Multi-function valve that prevents re-inflation as you pack up Thickness: 2 in / 5 cm