Bonanza Boots Goodyear Men’s 6″ Premium Leather Classic Moc Wedge Work Boot Welt Construction Review Leave a reply Leather polyurethane sole Full-Grain Oiled Leather Upper Cushioned Leather Lining Polyurethane (PU) outsole Removable PU Memory foam Goodyear Welt Construction is durable and flexible. The boot can be resoled. Mocc Toe Work Boots