Strong Neoprene boots contoured to fit the lower leg. Perforated to allow exchange of air and keep the legs cooler when turning out for extended periods. Strengthened waterproof guard covers back of pastern to protect most sensitive area prone to Mud Fever. Follows the shape of the fetlock to prevent slipping. Ideal for horses with sensitive skin who benefit from protection against the winter elements. Easy to hose off or machine wash.