A lightweight and flexible fit that bends to meet the hefty demands of your day. The Carbo-Tec Flx 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 boot is equipped with leather pull loops and our Flx-fit technology on the rear for easy on and off. Inside, you will find a high performance mesh lining. 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, and heat resistant properties as well. This boot meets Astm 2892 electrical hazard standards for soft-toe footwear..