Thermoroubaix® fabric with PFC Free DWR M™ treatmentStretch windproof knee panels for extra protection Ergonomic multi-panel construction Internal silicone grippersExternal silicone thigh prints grip short legReflective flashes and logo, Thermoroubaix® fabric with PFC Free DWR M™ treatment, Stretch windproof knee panels for extra protection , Ergonomic multi-panel construction , Internal silicone grippers