Wolverine Men's Raider Oxford Contour WELT-M 100% Leather Imported Rubber sole Full-grain leather upper Contour welt allows the boots to bend and flex at essential points for maximum performance, enjoy the comfort of athletic shoes with the support and durability of work boots Advanced comfort polyurethane midsole Removable multishox cushion foot beds can be replaced with orthotics (not included) if needed MultiShox comfort system features individual compression pads built in the soles that absorb shock and return energy in every step