LeMieux ProSport Support Boots in White. The LeMieux ProSport Support Boots are great all round boots ideal for protecting your horse's legs. The Support Boots are ideal for everyday use whether it's schooling and hacking, competing or turning out. The Support Boots are lightweight and flexible whilst offering support to the fetlock and tendon and the breathable Airprene lining prevents rubbing and sweat build up. Suitable for front and hind use. Machine washable.