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. Vibram 360° Logger outsole for substantial edging and superior traction. Alloy toe meets or exceeds ASTM F2413-11 M I/75 C/75 EH standards. Electrical hazard (EH) footwear is manufactured with non-conductive electrical shock resistant soles and heels.