The click S1P composite shoe offers a 200 joule non-metallic toe cap, non-metallic midsole, 4 non-metallic eyelets, nylon mesh lining with padded collar, a shock absorber heel, is anti-slip and anti-static, with a dual density PU sole resistant to oil, acids and alkalis, leather upper, this boot conforms to the standards EN ISO 20345:2004/A1:2007 S1P SRC