New Evoshield Football Knox Rib Protector Adult X Large (44" 48") Gray X Large:Gray Lycra 61% Polyester 31% Spandex 8% Imported 1305016 L XL Blk Wht Ebay Lycra 61% Polyester 31% Spandex 8% Imported 37 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 Designed to withstand extreme impact under adverse conditions many more sports where impact