Rubber sole Size Note: The size varies by brand. If you are not sure about your size, please refer to our Clorts size chart and compare it with your feet length. Please feel free to contact us if you have any doubts Waterproof mesh upper and Membrane waterproof, keeps feet dry and warm during walks through mud and snow Rubber Toe Cap protection and Rubber Outsole for optimal trail grip while hiking. You will find it that a very aggressive sole to grab the rocks and provide good traction Molded TPU ankle support and Moisture-wicking mesh lining. Perfect for hiking in every seasons,expecially the snowy trails, feet stay warm, dry and comfortable on your Winter Hikes Functionality & Fashion - These Boots feature special technology to protect your feet, molding rubber toe cap and molding TPU at heel for perfect protection, cushioned EVA midsole makes the boots durable, stability and comfort, ideal for your trips in all weathers and all terrains.