Iconoclast Orthopedic Support Boots feature patented Double Sling Straps for unparalleled lateral support. With its evenly distributed support to the suspensory branches, Iconoclast is the only boot that truly lifts and cradles the equine leg. A Kevlar pad was added to the hind boots in order to protect the lower fetlock base from injury or burn. Designed to reduce joint interference and restriction, this is the perfect all around boot for every equine discipline. To ensure proper fit, measure the circumference of you horse's fetlock and refer to the sizing below. Sizing: Small: 9 1/2" and under Medium: 9 1/2" - 10 1/2" Large: 10 1/2" - 11 1/2" X Large: 11 1/2" and more           Â