Square Toe. Compliant with ASTM F2413 Electrical Hazard standards. Tempered Steel Shank. Rocky waterproof construction. Full-Grain Leather Upper. ASTM F2413-05 I/75 C/75 Protective Toe Classification. Double row welt stitching. Durable all around welt construction. Removable, dual-density polyurethane Ride footbed with heel stabilizer. 8-layer Rocky Original Ride performance system with dual density oil resistant rubber outsole.