safety footwear with cowhide upper safety footwear with cowhide leather upper anti-static, oil and acid resistant, high level SRC anti-slip, flexible two-layer PU sole lightweight composite plastic toe protection (CK) against falling objects anti-puncture sole plate with Kevlar content ankle part and frog tongue with sponge cushioned energy absorbing heel, comfortable insole, well ventilated inner lining wide toe, a seamless leather heel section to protect against mechanical damage, liquids, chemicals PU toe cover completely metal-free, plastic lace-guide protective footwear is not detected by the metal detector