Design: Cement construction with Carhartt(R) rubber Ironwood outsole 11" shaft height In-Shoe Comfort: LiteFire(R) is an aluminum-based waterproof and breathable membrane that reflects body heat equivalent to 400, 600, 800 or 1000 grams of traditional insulation without the weight or bulk Footbed is made with Insite(R) technology to create maximum arch support and reduced foot fatigue during long days Light and high-rebound polyurethane midsole Durability & Traction: Storm Defender(R) Waterproof protection keeps you dry in wet conditions A waterproof and breathable membrane is used to keep your feet dry but promote air flow and circulation Alloy safety toe is made from blended metal and aluminum for a thin, lightweight build Alloy toe styles meet ASTM 2413-18 standards FastDry(R) technology lining wicks away sweat for optimal comfort Rubber heel bumper is designed to provide extra abrasion resistance Helcor PU coating on the foot part of the boot is designed to provide additional abrasion resistance Electrical Hazard (safety toe) offers secondary protection against incidental contact with electrical circuits of 18,000 volts or less Safety Toe EH styles meet ASTM F2413-18 EH standards FT1509-M, FT1509W-M