Style 33-620 Elastic Sided Boot COMFORTcushion PU/PORON Impact Absorption System - reduces leg and lower back fatigue GRIPthane II dual density Polyurethane (PU) sole, heat resistant to 130? Celsius and resists exposure to most acids and chemicals Lightweight footwear designed for all day comfort Water resistant full grain leather Wide profile NATUREform Type 1 steel toe cap, with comfort liner