Durable, waterproof full-grain leather upper. Triple stitched for uncompromising fit and superior protection. 100% waterproof and breathable GORE-TEX lining. Cushioning Fatigue Fighter footbed. Rigidity from a steel shank. Strength and stability of Danner's hand-crafted stitch down construction. Meets or exceeds ASTM F2892-11 EH. Electrical hazard (EH) footwear is manufactured with non-conductive electrical shock resistant soles and heels.