Shaft Height: Approx. 12'' Tall. Comfort core insole. Composite toe. Full-grain leather upper. Reinforced pull straps. Round toe. Have been built in compliance with the ASTM F2413 Electrical Hazard standard. A heel plug that does a brilliant job at absorbing shock and the generation of airflow that keeps your feet dry. Oil and fuel-resistant carbo-tec mini-lug outsole.