Lami-Cel Pro Tendon & Fetlock Boots are are made of a hard, light-weight PU outer shell for the best protection your horse's legs can get. Resists abrasion and is easy to clean. Comfortable inner lining made of a newly developed material in a “Molded Anti-Spin" design. These Lami-Cel Pro Tendon & Fetlock Boots are molded to rest comfortably on your horse's legs. Lami-Cel Pro Tendon & Fetlock Boots are the answer to expensive Tendon & Fetlock Boots. Secure double Velcro closure.