Genuine full-grain leather upper. Unlined. Classic Goodyear welt construction is sturdy and flexible. Removable Wolverine MultiShox™ comfort gel insole adds extra cushioning. MultiShox™ compression pads on outsole customize shock absorption. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue. Optional steel toe W04439 Tan,W04450 Aged Bark.