Whether you're putting in long days in the machine shop, on a road crew or on the tarmac, sore feet make it harder to concentrate on the task at hand. The Caliper is designed for jobsite comfort and safety. The full-grain leather upper is strong and durable, but soft enough to wear right out of the box. The boot is constructed with four layers of cushioning underfoot to give you maximum comfort from clock-in to clock-out. Durable, full-grain leather upper Danner Dry waterproof protection Danner Dual Layer Comfort footbed with memory foam and PU provides instant and long-lasting comfort Memory foam strobel sock offers additional cushioning underfoot PU midsole offers shock absorption and lasting rebound Fiberglass shank Danner Caliper oil-and-slip-resistant rubber outsole offers versatile indoor and outdoor traction with a low-profile 90 heel Aluminum safety toe meets or exceeds ASTM F2413-18 I/75 C/75 EH