The Professional's Choice Deluxe Fly Boots are deigned to prevent flies from biting and botflies from laying eggs on your horse's legs. Made from an ultra-breathable mesh, the boots are also lined with a soft neoprene bottom that prevents rubbing and ensures all day comfort. Stays in the boots make sure that they keep shape and stay up around the horses legs while hook and loop closure provides an easy on and off process. The Deluxe Fly Boots are sure to reduce stamping and keep your horse's legs free from pesky flies.