Therm-a-Rest Lite Seat Camp Chair
Easy to store, lightweight, and gives the bum some cushion. This has turned out to be a piece of gear that seems to have become an item for every trip. For storage in my pack, I prefer to keep the valve open, roll it up, then give it a twist like I am wringing a towel dry. Sealing the valve in this position creates the smallest profile and it holds the shape extremely well. When I am prepared to sit down on the trail, one to two puffs of air and I am ready for a comfortable, dry, and for the most part insulated seat. It sure does beat sitting on wet, cold rocks or in the snow. In windy situations remember this isn't tethered to the ground!
At night, I prefer side sleeping, and put this under the head of my pad. It gives my pillow the perfect height to send me into slumber.