Best performance in oil slip, high every day comfort. The Dunlop® Purofort®+ Expander full safety offers the ultimate protection for workers in the upstream oil sector or general industry. Fitted with a special Vibram® XS Work outsole, the wellington boot gives best in class scores for oil slip. * The large outside lugs and torsion control ladder grip guarantee stability and safety under the most challenging conditions. * The boot is extremely lightweight, gives a comfortable fit and does not crack or dry out* EN ISO 20345:2011 S5 CI HRO CR SRC* Resistance to: minerals, animal and plant oils and fats, fertiliser, acids, disinfectants, solvents, various chemicals