Camp Mat SI™Multi function high flow rate valve provides fast inflate, deflate and easy fine tuning for personalised comfort R value: 4. 2 Includes a repair kit for easy puncture repair in the field Included PillowLock patch system attaches Sea to Summit pillows to your mat, holding it in place for a slip free sleep Generously sized stuff sack with drawcords makes it easy to pack up your mat, then compress!