McDavid Hex Forearm Sleeve - Men's Arm yourself in McDavid's Hex™ Forearm Sleeve and you're protected from whatever player is coming at you. 14mm Hex padding gives superior forearm protection that is designed for blocking or other contact sports. Built with hDc™ Moisture Management to evaporate sweat before it reaches your hands. 80% nylon/20% spandex. Imported.