Incorportating technology developed for the medical industry, the new Travel Cushion from Therm -A-Rest offers both back and leg support by relieving ischial (seat bone) pressure. Self-inflating, this seat cushion provides a custom, one-handed adjustment, and rolls easily into a carry-on for life on the go. For even greater support, pair a set together with the convenient hook and loop tabs, and you'll be set to take on the worst seats in the world with the confidence of a seasoned traveler.