Premium waterproof leather with waterproof membrane and Thermolite® 400 g insulation for warmth. Features composite safety toe, rigid external heel cup, fiberglass shank for structural support, and dual-density thermoplastic urethane (TPU) outsole for slip-, oil- and abrasion-resistance. Meets ASTM F2412-11 and ASTM F2413-11 I/75 C/75 impact and compression safety standards and CAN/CSA-Z195-14 Grade 1. Also meets ASTM F1671-07 safety standards.