Waterproof mesh upper and Hydroshield Membrane waterproof 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 give good traction Molded TPU ankle support and Moisture-wicking mesh lining. Integrated inserted EVA midsole, Light weight and Sturdy enough even when carrying weight 200 Grams Thinsulate Insulation for -25?. Integrated inserted EVA Midsole, Light weight and Sturdy enough even when carrying weight FUNCTIONALITY AND 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, stable, lightweight and comfort, ideal for your trips in the Snow or Hiking in Cold Weather Climates