The exterior on the Rocky Men's Jump Work Boots have an adequate amount of durability and ruggedness so that it is able withstand the most unforgiving working conditions. The men's work boot upper has been built from premium full-grain black leather for a great look. These work boots also have a side zipper that aids in getting them on and off rapidly. Full-grain water-resistant leather for a great look Contoured EVA insole for all-day comfort Rubber lug outsole and non-metallic stabilizer for support Work boots with side zipper for easy on and off Oil and slip-resistant rubber outsole for traction Polishable toe for easy cleaning Shaft measures 10 in. in height Goodyear welt construction for durability 1 Year Limited Warranty Looking for more information on boot sizing? Check out our guide to boot sizing in the product documents section.