Baker Mesh Fly BootsKeep your horse comfortable and healthy during fly season with loose fitting 5 A Baker PVC Mesh Fly Boots. A simple and effective way to protect your horse from the discomfort and health risks associated with fly bites. Made of breathable, firm mesh that will not sag and easy to use Velcro fasteners with soft edge cuffs. Set of 4 Benefits Include: Helps to prevent painful bites from flies and other biting insects. Helps to prevent botflies from laying