New Evoshield Football Knox Rib Protector Adult X Large (44" 48") Gray X Large:Gray soft and flexible D3O™ material equipment and training devices soft and flexible D3O™ material with energy locking molecules provides optimal impact absorption Air Management System disperses impact energy over a wider surface area for superior comfort and protection Clavicle Channel System with hook and loop pad attachments absorbs impact around the AC joint and ensures a secure fit Streamlined and flexible Tactical Arch Design reduces overall weight and “upward” pad movement Low profile epaulets and caps eliminate “grab” points for improved performance Flat Pad Design delivers maximum mobility while maintaining ideal level of protection Raised arch corrugations add strength Achieve effortless style that doesn’t quit when you sport the VRST™ Men’s Lux French Terry Crewneck Pullover many more sports where impact these protective products are constructed from the most durable materials available and are packed with innovative features guaranteed to last