Ergodyne ProFlex 300HL Rounded Cap Knee Pads Abrasion-resistant rounded short hard cap 840D nylon fabric cover 12mm NBR foam padding cut to hug the knee Nickel-plated grommets Hook & Loop closure Sold by the pair Rounded Hard Cap: Short, hard cap is best for swiveling and pivoting. Abrasion resistant rounded short hard cap; 12mm NBR foam padding 840D nylon fabric cover Anti-bacterial treatment Hook & loop closure