Safety: Non-metallic; Meets ASTM F2892 electrical hazard standard Design: Waterproof Full Grain SPR Leather upper Rocky® 1 Year Vapor Pass Waterproof technology is designed to keep liquids out without trapping perspiration in 3D Molded TPU Heel Kicker for easy off at the end of the day Double expansion fit seam for easy on and off Light and flexible construction Square toe In-Shoe Comfort: Lightweight, shock-absorbing, and flexible EVA midsole with PU footbed allows for comfortable all-day wear Fiberglass shank adds arch support and stability Durability & Traction: Oil- and slip-resisting outsole provides surefooted traction Additional Details: Height: 12” Warranty: All Rocky® 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® bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.