187 Killer Knee Gasket Pads - Made by 187 Killer Pads for Roller Derby Skaters, Roller & Inline Skating, and Skateboarders - Curved ergonomic design - Thick padding surrounds the patella - Two layers of neoprene encase super-absorbent EVA foam - Ventilated mesh sewn in for breathability on back of knee - Non-irritating side seams for comfort - Top and bottom stitching for durability