Features of the Salomon Winter Cross Spike Shoe Train through winter with the spikecross 5 gtx Speedcross and added a complete Gore-tex bootie for weather and Snow protection Contagrip compound, and added 12 tungsten spikes to the bottom of the sole for confident grip on soft or compact Snow, and ice Soft and protective cushioning that doesn't sacrifice on energy return and response Fabric Details Lining: Textile Inlay sole: Textile Outsole: Rubber Upper: Synthetic/Textile