Sorel - Jackhammer (Flax) - Men's: Seam-sealed,waterproof sanded suede and molded mesh. Gusseted tongue. Rubber toe and heel overlays. Removable PU footbed with Poron(R)inserts. Molded EVA with nylon shank. Milti-directional outsole lug tread pattern. Electric shock resistant (ESR); ANSI Z41 approved/CSA Grade 1 steel toe cap.