A lightweight and flexible fit that bends to meet the hefty demands of your day. The Carbo-Tec FLX alloy toe waterproof pull-on is our newest 11" square toe western work boot featuring our ultra-comfortable AMP (advanced memory polyurethane) insole. This full-grain leather brown and rust boot is equipped with leather pull loops and our FLX-FIT technology on the rear for easy on and off. The EVA midsole, the double-wide fiberglass Shovel Shank XL, and the rubber outsole are attached to the upper through a flexible Cement Construction. Our Carbo-Tec outsole is not only oil and slip-resistant but possesses great abrasion, chemical and heat resistant properties as well. The alloy toe cap on this lightweight work boot is ergonomically designed to give your toes a better range of motion. This boot meets ASTM F2413 classification.