The Original Muck Boot Company(R) Men's Arctic Hi Sport Rubber Hunting Boots give you the extra protection you need on the hunt when temperatures drop. The 4-way stretch nylon provides a comfortable and flexible fit, while reinforcements on the instep, heel and Achilles areas ensure that sensitive areas are protected. The MS-1 molded outsole is rugged, aggressive and durable, keeping you comfortable in the Men's Arctic Hi Sport Hunting Boots. FEATURES: Stretch-fit topline upper binding keeps legs warm 5mm CR flex-foam bootie with 4-way stretch nylon with 100% waterproof construction for lightweight flexibility 2mm thermal foam underlay added to the instep for additional warmth Double reinforcements on the instep, heel and Achilles areas EVA molded midsole with contoured footbed enhances cushioning Reinforced toe with wrap-up bumper delivers extra protection MS-1 molded outsole is rugged, aggressive and durable for maximum protection and stability Comfort range of -40degF to 60degF Height: 15" Weight: 2 lbs. 11 oz. Style: ASP 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.