HKM Children's Easy Fit Body Protector Size:Child Medium Coupled with our X Air ventilation Coupled with our X Air ventilation system and removable crown comfort padding with mesh panels to keep you cool and comfortable Our lightweight and highly flexible Motionflex Dressage Boots are carefully designed to nestle against your horse's leg this protector features unique visual fit indicators which display when the body protector is outgrown helping you to keep your child safe at all times The flexible components of this body protector mean it is not as bulky or rigid as some older models making it a comfortable option on a budget