Brown oil tanned leather with abrasion resistant Cordura and black coated leather Waterproof membrane 400 LiteFire insulation Direct attached welt construction with dual density PU strobel pad with PU cushion insoles Molded TPU heel guard The convenience of a pull-on and added warmth in our 11-inch, insulated, wellington work boot. - Brown oil tanned leather with abrasion resistant Cordura and black coated leather - Waterproof membrane - 400 LiteFire insulation - Direct attached welt construction with dual density PU strobel pad with PU cushion insoles - Molded TPU heel guard - Oil, chemical and slip resistant - Steel-Toe rated ASTM F2413-18 EH -