The Original Muck Boot Company(TM) Men's Chore Cool Mid Work Boots were crafted for comfort and protection in hazardous, on-site conditions. Outfitted with reinforced toe and heel areas, these boots show their durability in the roughest environments. The Xpress Cool(TM) lining wicks away sweat and evaporates moisture, keeping feet cool and dry during an exhausting day. The Vibram(R) outsole grips on to surfaces and enhances traction. FEATURES: Triple reinforced upper in the toe and quadruple reinforced heel area maximizes protection Xpress Cool(TM) lining wicks away sweat, evaporates and absorbs moisture 4 mm CR Flex-foam bootie with four-way stretch nylon upper is lightweight and 100 percent waterproof ect(R) antimicrobial sockliner reduces friction and heat build up for comfortable wear Steel shank for additional arch support and optimal comfort Vibram(R) outsole for improved durability and performance Spandura(R) added to the exterior of the neoprene for added protection against wear and abrasion Comfort Range: Sub-freezing to 95degF 1 year manufacturer's warranty against manufacturer defect Style: CMCT-900 WARRANTY: All Rocky(R) products have one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. The warranty also covers GORE-TEX(R) bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.