The Under Armour Pro 4 catchers gear set, is equipped with a NOCSAE certified chest protector. It also comes with the Under Armour Converge hockey style catchers hemet. The Pro 4 leg guards have vents in the shin that provide comfort and keep the catcher cool behind the plate. The pre crossed harness cups the calf for hours of comfortable use. The durable ABS plastic forms around the catchers leg to produce a from fit. This provides maximum protection for the catchers legs.