The original hunting cushion that has been keeping hunters warm, dry and comfortable since 1985! The Traditional Series Therm-A-Seat features even softer Softek closed-cell foam. Added thickness (1 1/2 inches) means added comfort, especially when sitting on the hard, cold, wet ground or the metal seat on a treestand. The Softek foam won't absorb moisture and stays pliable in cold weather. Velcro straps added for attachment/transport.