... .genuine leather upper 2.PU dual density outsole 3.impact and puncture resistant,oil acid slip resistan Safety Shoe 9503CE EN20345 : 2004 ... ; SB,SBP,S1,S1P,S2,S3Detail : upper:black embossed cow hideinsole: breathability and comfortabilityoutsole: PU injectionsize ... materials , high abrasion resistant,anti-slip,energy absorption steel toe safety footwear 9503