Woof Mud Fever Turnout Boot An innovative breathable boot which seals the leg from the knee to the base of the heel to prevent mud getting onto your horse's legs, enabling freedom of turnout whatever the conditions. Featuring a waterproof and breathable fabric around the cannon bone to prevent overheating and a close-fitting hoof capsule with Kevlar reinforced heel protection, these innovative boots will keep legs clean and dry. A shaped PU strike pad also offers brushing protection for your horse's legs.