RubberRubber soleShaft measures approximately 8 from archOUTSOLE MATERIALS—Waterproof mesh upper and Hydroshield Membrane waterproof. 200 Grams Thinsulate Insulation for -30??.ANTI-SKID PERFORMANCE—Rubber toe cap protection and rubber outsole for optimal trail grip. and the technology can protect your feet. You will find it that a very aggressive sole to grab the rocks and give good traction.ADVANCED TECHNOLOGY—Integrated inserted EVA midsole,waterproof hiking boot features our lightweight, durable midsole for long lasting comfort, superior cushioning.HANDY FEATURES—Molded TPU ankle support with snowshoe strap ridge. The hiking boots combine durability and comfort seamlessly while remaining lightweight and stylish.OCCASION—hiking, walking, travelling, fishing, trekking, urban leisure, family outings and camping outdoor sports. ? The 60-80 code It may be a bit small than normal size, recommend ordering a full size up from your normal size. The 85-110 code is the normal code number, you can buy it according to your normal size.