Water repellant oiled nubuck leather upper BreathActive waterproof and breathable CTX hightech lining Slip, oil and heat resistant to 572 degrees rubber outsole Evercushion footbed; Lateral YKK zipper with gusset with TPU heel support and kick-off in the heel area Waterproof Composite toe and ASTM F2413-18 M/ I/ C EH compliant