Purofort Dunlop Professional full safety Charcoal/grey Shoes E462043 Rubber Rubber sole Size range: US4-US15 Dunlop Purofort full safety Standard: CSA Z195-09 SD PR, ASTM F2413-11 M I/75 C/75 SD PR Certification : For the American market Dunlop boots are tested in accordance with the ASTM standard. Dunlop boots for the Canadian market are tested and certified in accordance with the CSA provisions.