OPTIMUS PRO CHEST PROTECTOR 16.5" LENGTH Flow through ventilation system provides optimum comfort to enhance performance Perforated AirTech® pad system allows air to cool player, and allow moisture to escape DRI-GEAR® moisture wicking lining Shoulder caps can be removed or repositioned to catcher's preference Comfortable foam collar for custom fit Contour fit low rebound foam padding with shoulder extentions for full protection Detachable tail extension included