Loose Riders C/S KniebeschermersLoose Riders C S Kneeguard Downhill, freeride, enduro, trail, and e dirt. The C S kneepad is multi purpose. Burly enough to take big hits, light and comfortable for all day epics. Our custom ergonomic fit, heat molded unibody construction and silicone grip make the C S kneepad stay in place no matter what. FitSnug! The sizes in the chart are the circumference, the pads stretch when used and the circumference number should be taken as the minimum