Extreme conditions call for extreme equipment and our 10-inch PAC boot fills that bill. - Brown oil tanned leather with abrasion resistant Cordura and Black abrasion resistant leather - Waterproof membrane - 1000 LiteFire insulation - PU midsole with Carhartt rubber outsole - OrthoLite insoles - Molded TPU heel guard - Oil, chemical and slip resistant - Composite-Toe ASTM 2413-11 EH Rated -