Skechers Work Flex Advantage SR Bronwood Men's Slip On Leather Imported Rubber sole Slip Resistant traction outsole Sole tested using ASTM F1677-05 Mark II standards to meet or exceed a .5 coefficient even on wet and slippery surfaces Electrical Hazard (EH) Safe design EH Safe tested ASTM F2892-11 for safety Water and stain resistant treated upper design