... EN20345 standard4, Anti-acid, oil resistant, non-slip5, 100% Waterproof6, Safety or unsafety insole is option6, rain gumboot is available7, UK ... 37 to 47, US size 4 to 14Application:Chemical resistant safety gumboots, with steel toe cap. Design for chemical industry, ... , Outsoles are oil,acid and abrasion resistant. The tyre tread sole design allows for improved liquid dispersion and slip resistance ...