One of our most popular work boots, the Heeler is a 10-inch high leg Wellington style Pull On Boot. The Heeler is crafted from premium cowhide Leather and includes a 200 joule safety Steel Toe Cap (ErgoDefender) for premium protection. The durable Thermoplastic polyurethane Outsole is heat resistant to 266ºF and offers Slip & Oil Resistant properties. All Steel Blue boots feature our famous Trisole which works to cushion your feet, knees, hips and lower back from day-to-day fatigue. This style is available in Medium (M) and Wide (W) fit options. Steel Blue Heeler Boots are independently certified to major international safety standards and the American Standard ASTM F2413.