Made from waterproof full-grain leather and features a square toe for a classic look. The Expansion Fit Seam allows for easy on and off, while the fiberglass shank provides added stability. It meets ASTM F2892 electrical hazard standards for safety. The stitch-out construction enhances durability, and the proprietary Vibram? rubber outsole is oil and slip-resistant, complemented by a cushioned EVA midsole for comfort. The Rocky Rebound footbed offers additional support. The boot weighs 1.50 lbs in size 10M, has a heel height of 1.5 inches, and a calf circumference of 15 inches.