The ultra-durable IronClad work boot features ROCKY's guaranteed waterproof construction for 100% dry comfort all day long. 400-gram Thinsulate Ultra insulation provides compression resistance and lightweight warmth without added bulk. Extra-durable, ribbed tempered steel shank provides a solid, stable work platform. Lightweight, flexible EVA midsole absorbs shock and helps reduce foot fatigue. ROCKY Air-Port vented polyurethane cushioned footbed is designed to circulate air with every step for added comfort. Seven-layer, slip-and-oil-resistant IronClad outsole provides support and unparalleled cushioning for added durability and incredible comfort. Imported.