Professionals Choice Fleece Open Rubber Boots Professional's Choice ribbed Fleece Lined Easy-On Rubber Bell Boots are flexible and durable for extended use. The soft fleece around the top prevents chaffing. Designed for durability, the boots are constructed out of heavy duty rubber and have double hook and loop closures for simple application. These bell boots provide 360 degree protection and protects the horse from overreaching, making them perfect for turn out, exercise, and trailering. Sold in pairs. Features: Easy-On Flexible and durable Soft fleece prevents chaffing 360 degree protection from overreaching Note: Medium is recommended for horses up to 15.2 hands, Large is recommended for horses 15.3-16.3 hands, and X-Large is recommended for horses 16.3 hands and up.