The Wolverine Bolt is the first ever safety toe athletic shoe with the comfort of Wolverine DuraShocks and Wolverine DuraSpring cushioning, making it the most comfortable safety toe shoe, guaranteed. The outsole is specifically tuned for slip resistance, with extended pads to increase surface contact with the ground. The pads also feature an angled pattern to channel away liquids and contaminants. Wolverine DuraShocks technology absorbs shock and returns energy for all day comfort. DuraSpring cushioning provides long lasting, dynamic cushioning, retaining more than 40% rebound than standard EVA. Premium waterproof full-grain leather upper. Breathable waterproof membrane with moisture wicking mesh lining. Removable full-cushioned molded EVA footbed. Rubber midsole. Rubber lug outsole grips the ground. Lightweight cement construction. Nylon shank adds extra strength. ASTM F2413-18 M I/75 C/75 EH rated steel toe