Endura windchill ii knee warmersenduras windchill ii knee warmers keep you protected from the coldest of winds these knee warmers are made from thermolite with a tough dwr finish for ultimate weather insulation and comfort features material 49 nylon 34 polyester 12 elastane 5 pu stretch windproof knee panels for extra protection ergonomic multi panel construction internal silicone grippers external silicone thigh prints grip short leg reflective flashes and logobuyendura clothing