Square toe ASTM F2413 Electrical Hazard Standard Rolled stem area 1 1/2" rocker heel Fiberglass rod Double row sole stitch Single Row Sole Stitch Full grain leather with ventilated upper to promote maximum air circulation Dual-density midsole with firmer shock-absorbing heel for added stability and soft shock-absorbing forefoot for ultimate flexibility and comfort. Rigid anti-twist outer shank provides increased lateral stability Air mesh lining Saddle upper Multi-durometer rubber outsole with high-abrasion rubber outer lugs for high impact durability and softer mid lugs for increased flexibility and increased resistance to slip, oil and heat Storm Welt InsulKul™ upper lining