Made with premium quality materials, this slip resistant style is your go to for any work related purposes. Certified with ASTM F3445 and ASTM F2892 to meet Slip Resistant (for water and oil) as well as Elictrical Hazard requirements. Product Details: Synthetic Upper Slip Resistant Traction Rubber Outsole Removable Memory Foam Footbed Astm F3445 Wet/Dry/Oil Resistant Compliant Eh Astm F2892 Elictric Hazard Compliant