The Stronghold Work Boot from Danner was inspired by some favorite hiking styles with many of the same components and design features being incorporated into a tough, modern work boot. The Vibram SPE midsole provides long-lasting comfort while the Danner Dry liner helps to keep elements at bay. Durable, waterproof full-grain leather upper Danner® Dry waterproof protection Cushioning PU footbed Vibram® SPE midsole Nylon Shank Custom Vibram® Stronghold outsole is oil-and-slip-resistant and offers traction on wet and dry surfaces with a 90° heel Electrical hazard protection ASTM F2892-11 EH Shaft Height: 5" Outsole: Vibram® Stronghold Upper: Full Grain Leather