Waterproof Pro™ construction with waterproof full-grain leather. Mesh lining. 100% non-metallic. Energy Max rebound foam insole. Protective ExGuard™ on toe and heel . Direct-attach construction. Oil- and slip-resisting dual-density PU/TPU outsole. 90? heel. Safety toe is ASTM F2413-18 M/I/C EH rated. Soft toe is ASTM 2892-18 EH rated