Safety: Non-metallic; Meets ASTM F2892 electrical hazard standard Design: Waterproof full grain SPR leather upper Rocky(R) 1 Year Vapor Pass Waterproof technology is designed to keep liquids out without trapping perspiration in Expansion Fit Seam for easy on and off Stitch out construction Square toe In-Shoe Comfort: Ultra lightweight cushioned EVA midsole and Rocky(R) Rebound footbed for support and shock absorption Fiberglass shank adds arch support and stability Durability & Traction: Oil- and slip-resisting Nicotine Proprietary Vibram(R) rubber outsole provides surefooted traction Additional Details: Height: 11" Warranty: All Rocky(R) products have a one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. This 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.