Rocky Men's 6" Mobilite Steel Toe Waterproof Work Boots-6114 leather-and-fabric Rubber sole Shaft measures approximately 6" from arch 3-part Mobilite outsole.Guaranteed Rocky Waterproof construction TPU Torsion stabilizer.Polyurethane Footbed ASTM F2413-05 Electrical Hazard Standard.ASTM F2413-05 I/75 C/75 Protective Toe Classification Widest Toe box in the industry.Steel protective Toe Oil Resistant, 3 part Mobilite outsole is lighter than standard outsoles