Danner Men's Logger 8" 400G Nmt Work Boot 100% Leather Imported Rubber sole Shaft measures approximately 10.5" from arch Durable, waterproof oiled nubuck leather upper Danner Dry waterproof protection Lightweight Bi Fit board, which increases rigidity in the heel and allows for flexibility in the forefoot 400G of Thinsulate Ultra insulation Non-metallic toe meets or exceed ASTM F2413-11 M I/75 C/75 EH standards