STX Stallion HPR 1.1 Elbow Pads feature Power Fit&;trade;. Strategically placed EVA and HD™ foams. A true 3-piece pad moves and flexes in harmony with arm movements. A full-length breathable comfort sleeve, with grip printing, provides increased retention to keep the pad in place. A 360+ Strap™ secures the pad to your forearm for maximum retention. Grip print on the interior of the pad helps minimize shifting or slippage.