Smith Safety Gear Elite Knee Pad Design to support the skating action on the extreme streets, pools, ramps, or other irregular surfaces;Open back design for adjustability Velcro straps for easy entry and perfect closure; Slow memory knee cup foam for better shock absorption The Smith Scabs Elite Skate Knee Pads are especially designed keeping in mind the requirements of several extreme sports, such as Skating, Biking, Rollerderby etc