Danner Men's Acadia 8" Black Military & Tactical Boot 100% Leather/Nylon Made in US Rubber sole Shaft measures approximately 8.5" from arch Tactical boot in full-grain leather and 1000 Denier nylon with waterproof and breathable Gore-Tex lining and supportive fiberglass shank Stitchdown construction makes the boot recraftable in Danner's Portland factory This product offers a sleek, slender profile with a more narrow fit. Boots on this last tend to fit those with a more narrow foot better than those with a wider foot