Developed with versatility in mind, the Arctic Outpost series delivers all of the protection and comfort Muck Boot are known for. These wellingtons feature 5mm CR Flex-Foam, a fleece lining, new EVA midsole, and an aggressive traction outsole. The upper is made of flex foam, the lining is fleece, and the sole is EVA. Care instructions recommend cleaning with cold water and using rubber boot care. Heel height is 5.0 cm. Upper Material: Rubber, Lining Material: Polyester, Sole Material: Rubber. Shoe Width: Regular, Toe Shape: Round, Closure/Fastening: Pull-On. Features: Comfort, Waterproof. Shoe Shaft Height: Mid-Calf. Heel Height: Flat (Under 2.5cm). Item Weight: 2.75 KG.