THEY WORK AS HARD AS YOU DOMade of waterproof leather and featuring a moisture wicking, breathable interior, these durable steel toe work boots keep you in reliable comfort and support from sunup to sundown. Assembled in Portland, OR. FEATURESAssembled with pride in Portland, Oregon, using the finest materials from around the world.A proprietary waterproof, breathable membrane that lets vapor out without letting water in.Our oil- and slip-resistant outsoles meet or exceed ASTM (American Society for Testing and Materials) F1677-96 MARK II non-slip testing standardsUniquely anatomically correct steel, aluminum, & composite toe designs provide a roomier toe box and maximum comfort.This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.