The Camp Plus Self Inflating Sleeping Mat from Sea to Summit is designed to provide maximum comfort for those seeking a versatile all-round sleeping mat. It features robust and durable 75D fabric combined with the unique Delta Cores technology, allowing for approximately 40 percent less foam, resulting in a compact sleeping mat. Equipped with horizontal Delta Cores, this sleeping mat offers high durability and comfort. The use of 75D polyester ensures a firmer, more abrasion-resistant surface, while the Camp Plus S.I., with a thickness of 7.5 centimeters, provides sufficient cushioning even for lanky hips. The high R-value of 4.3 also means that you can use the Camp Plus Self Inflating mat year-round.