Cushion - Air Seat - Air Gel - Sport - Black Air gel features three layers of polyurethane with gel pads inserted inside each individual air cell to provide additional cushioning, shock absorption and vibration dampening; can also be used without air when the rider wishes to feel "close to the bike" yet needs some additional cushioning, This is a "gel pad" that is completely adjustable and will not get hot or stay hot, The combination of air and medical grade gel is unique to Wild Ass, Cover included