The Dunlop MetGuard Full Safety Wellington provides maximum protection for high risk environments with metatarsal and ankle protection to keep you safe for the toughest of jobs SRC rated outsole designed for maximum grip on the toughest terrains EN-certified Metatarsal and Ankle protection keeps you safe for the toughest jobs Dunlop's Acifort provides extra chemical protection from fuel and acids EN certified Full Safety Steel Toe cap and midsole Specially formulated Acifort outlasts the competition Tread wear indicator to monitor outsole performance Dual-density midlayer absorbs impact energy with every step. Acifort is Dunlop's unique invention of PVC, nitrile rubber and polymers. Nitrile rubber ensures a longer lifetime and better resistance to oil, fat, blood and chemicals.