Dunlop’S Polyblend 86104 Black Work Shoes Feature A High-Quality Injected Molded Seamless Construction With A Steel Toe That Complies With Astm F2413-05. These Non-Slip Work Boots Have A Hardened Steel Ladder Shank, Along With Replaceable Cushion Insoles, That Provide Added Safety And Comfort. These High-Performing Slip Resistant Boots Feature A Scientifically Formulated Blend Of Polyurethane And Pvc, Making For Non-Slip, Self Cleaning Soles.,10