Adams USA Adult Blitz Max II Multi Purpose Heavy Hitter Shoulder Pad, X-Large 3/4" sewn padding to create a Clavicle Channel for heavy hitting Cantilever construction with perforated arch and front and back corrugation to maximize air flow Corrugated arch for added strength and durability Perforated EVA and open celled foam to allow ventilation and absorb impact Contoured deltoid pads for better coverage