1 CE standard steel toe anti-hit safety shoes 2 upper genuine leather 3 Rubber sole 4 oil ... meet SB,S1,S2 standard: anti-hit,acid and alkali resistant,oil resistance and waterproof3 optional functions:puncture-proof, anti-static, high ... standard Advantagebreathable materials, high abrasion resistant , anti-slip,shock absorption safety shoe 9549 steel toe