The Sea to Summit Camp Plus Self-Inflating Sleeping Pad 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.FeaturesPlus size and 3" thick great for all seasonsDelta Coring removes over 40% of the foam to reduce weight and bulk without compromising durabilityRobust and abrasion resistant 75D polyester shell fabric with extrusion laminated TPUMulti-function reversible valve for fast and easy inflation, deflation, and fine-tuning of air pressurePillowLock attaches your Aeros pillow to your mat, holding it in place for a slip-free sleepIncludes a repair kit for easy puncture repair in the field