Our super thick Camp Plus Self-Inflating. Mat with Delta Cores(TM) delivers plus-sized comfort and warmth for year-round camping. Horizontal Delta coring is a technology pioneered by Sea to Summit. The process removes over 40% of the foam in delta-shaped 'cores&'; to reduce weight and bulk, but does not compromise on comfort and durability. FEATURES Plus size and 3" thick great for all seasons Delta Coring removes over 40% of the foam to reduce weight and bulk without compromising durability Robust and abrasion resistant 75D polyester shell fabric with extrusion laminated TPU Multi-function reversible valve for fast and easy inflation, deflation and fine-tuning of air pressure PillowLock(TM) attaches your Aeros(TM) pillow to your mat, holding it in place for a slip-free sleep Includes a repair kit for easy puncture repair in the field Specs Regular Large Dimensions 72 x 20in / 183 x 51cm 78 x 25.2in / 198 x 64cm Packed Size 8 x 10.2in / 20.4 x 26cm 8.5 x 13in / 21.6 x 33cm Weight 1 lb 15 oz / 880 g 2 lbs 10 oz / 1185 g R-Value 4.3 4.3