Description The Camp Self Inflating mat is a durable option for the adventurer who wants quality and some serious bang for their buck. Utilizing the multi function valve, this mat deflates incredibly fast and there&';s no fighting re-inflation during pack up. Delta Core-V(TM) technology removes weight and bulk without compromising comfort and the durable face fabric will withstand some good tough adventuring. It&';s your back to basics, no frills, sleeping mat that offers great comfort for your backpacking adventures. Features R-Value of 4 1.5 inches thick Utilizes Delta Core-V technology, which keeps body contact areas warmer while still offering great support and pack-ability Patent-pending valve twists over to allow the mat to be rolled tightly without fighting re-inflation as you go Dimensions Regular: 72 x 20 in / 183 x 51 cm ?Large:? 78 x 25 in / 198 x 64 cm