Constructed with the trusted Goodyear welt, this boot is made to take on the wear and tear of many long work days. The removable AMP LT memory foam insole will cradle your feet in all day comfort. The Georgia Giant Revamp steel toe waterproof work boot has a full-grain SPR leather upper with dual functioning hook or eyelet hardware, a padded collar and tongue and removable leather Comfort Cover Tongue protector. Giant Revamp Steel Toe Waterproof Work Boot,10W The foundation of this boot is comprised of a tempered steel shank for added durability, a cushioning EVA midsole and a slip and oil resistant polyurethane outsole.