Purofort Thermo+ Full Safety Omega/EH Black Shoes E652033 Rubber rubber sole Size range: US6-US15/9 Protective toe + midsole Standard: CSA Z195-09 PR Omega, ASTM F2413-11 M I/75 C/75 PR EH 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.