The Timberland Endurance is made with premium full grain leather uppers and an ASTM rated steel safety toe shaped on TiTAN® last for protection and a roomy fit. The cemented construction makes for flexibility and reduced break-in time. The Timberland anti-fatigue technology with conical geometry in the polyurethane midsole reduces shock and returns energy to the foot. A padded top collar and interior mesh lining with antimicrobial treatment for odor control also add that little touch of comfort. The dual-purpose cast metal top hardware make for an easy on and easy off application. A fiberglass shank is integral for structural support. The contoured single-density open-cell polyurethane footbed with antimicrobial cover make this boot breathable and ultra comfortable. Timberland PRO has a rubber outsole that is slip-, oil- and heat-resistant and features Ladder Lock™ outsole radius. The Timberland PRO® rubber double toe and Timberland PRO® rubber backstay for increased abrasion resistance and durability. A Steel-Flex® puncture-resistant plate is made for flexible underfoot protection.