The upper on this 6\u0022 waterproof wedge lace-up work boot features our premium SPR leather. It\u0027s three times as strong and two and a half times more abrasion resistant compared to traditional leathers. It resists caustic alkalis and other barnyard acids. Additional features on the upper include dual functioning hardware, the heel stabilizing Counter Lock System and a padded tongue and collar. The interior is lined in mesh and is equipped with the Georgia Waterproof system, guaranteed to keep your feet dry when working in wet conditions. A padded counter pocket gives your heel added support. Also inside is the removable AMP LT insole. A layer of polyurethane topped with memory foam to keep your feet cradled in all day comfort. Men's Amp Lt Wedge Waterproof Work Boot