The Wolverine Grayson is as dependable as your favorite tool. This versatile work boot has everything you need for getting the job done. A fully waterproof upper and lining keep your feet dry in wet conditions. A premium waterproof full-grain leather upper from an ISA gold-rated tannery offers durability. ISA Gold Rated Premium Waterproof full-grain leather. Breathable waterproof membrane with moisture wicking mesh lining. Removable Ortholite® full cushioned footbed. Ultra-light compression molded EVA midsole. Rubber lug outsole grips the ground. ASTM F2413-18 M I/75 C/75 EH rated steel toe.