Guaranteed Rocky® Waterproof construction. High-abrasion heel. ASTM F2413 metatarsal guard standards6 Inches in height. Heavy oiled leathers. Rocky® EnergyBed™ and incorporated TPU ladder shank. Ankle Padding and Goodyear Welt Construction. Milled Never-cut hooks. Triple stitched reinforcements and Safety stitch toe. TPU Kickoff. Flame-resistant stitching and laces. 3 Millimeter lug depth high heat outsole