Steel Toe Left And Right Asymmetrical Wider Steel Toes Offering Maximum Comfort And Unobtrusive Fit That Meet Or Exceed Astm F2412 And F2413 Eh Compression And Impact Safety Standards Fit Design Built On A Specific WomenS Last Foot Form That Is Wider Than The Industry Norm For Improved Fit And Comfort The Sizes Listed Are WomenS And Fit True To Size However If You Prefer Extra Space For Your Toes Go A Half Size Larger Traction Oil And SlipResistant NonMarking Siped Rubber Outsoles For Improved Traction That Meet Or Exceed Astm F167796 And F2913 Satra Standards Support Comfort Features Keen Regen Technology A Lightweight CompressionResisting Midsole Providing 50 More Energy Return Than Standard Eva Foam Making Safety Footwear More Comfortable Includes Removable Pu Insole Underfoot Protection Electrical Hazard EhRated Footwear Provides A Secondary Source Of Protection Incase Accidentally Coming Into Contact With Live Electrical Circuits