Closed cell foam provides a firm, insulated barrier between you and the ground. Plus, a comfortable backcountry seat on uneven ground and protection from snow or wet grass.FeaturesIt's a comfortable backcountry seat on uneven ground and provides protection from snow or wet grassMakes a great bleacher seat for spectator eventsClosed cell foam provides a firm, insulated barrier between you and the groundDie-cut sections on top layer trap warm air and tire-tread pattern on bottom layer creates more cushionTwo foam layers combine for more warmth and comfortVideo -Big Agnes Third Degree Foam Hiking Seat