The Mobius X8 2017 knee pads were developed by Ryan Villopoto; compact, space-saving and with several innovative patents such as the CCRS (Direct Cable Routing System) for maximum*and a perfect fit. In the 2017 version, the cable has been*with a Kevlar fiber to improve strength and durability. Straps are numbered for closure in the correct order for a better fit and added comfort. Supplied in pairs with 3-ply foam inserts to fit your ball joint. The polycarbonate and EVA foam can withstand a weight of 750 g (per knee pad).