Features PSYCO technology, a top-of-the-line fit system that provides a secure fit on the arm and additional protection. A breathable arm sleeve offers ventilation. White composite mesh construction. Thermalform Foam and ABS poly plastic for added protection in critical impact zones. Climax Climate Control Venting System creates air flow. Layered three piece barrel design forms a wall of protection while allowing mobility. VaporTek liner for comfort. Non-slip pads on the inner liner keep the pad in place and prevent slippage.