Dunlop DEVON Unisex Steel Safety Wellington Boots in Black. Upper Material: Synthetic/Rubber. Lining Material: Textile. Sole Material: Synthetic. Closure/Fastening: Slip-On. Features: Safety, Water Resistant. Toe Shape: Round. Shoe Width: Regular. Item Weight: 1.2 KG. Heel Height: Flat (Under 2.5cm). Shoe Shaft Height: Mid-Calf. Boot Style: Safety Wellingtons. Safety Features: Anti-Penetration Mid Sole, Fuel/Oil Resistant Sole, Anti-Static Sole, Water Resistant, Slip Resistant Sole, Metal Toe Cap, Cleated Sole, Energy Absorbing Heel, Waterproof. Safety Standard: EN 20345 S5, EN ISO 20345:2011.