Small: Large Pony (14.0-14.3hh) - 10-10.75” Circumference
Medium: Small Horse (15.0-15.3hh) - 10.75-11.5” Circumference
Large: Standard Horse (16.0-16.3hh) - 11.5-12.25” Circumference
X-Large: Oversize Horse (17hh+) - 12.25-13.25” Circumference
How to fit your EquiFit boots:
For a more accurate fit, measure the circumference of your horse's ankle using a soft measuring tape. In order for EquiFit boots to work properly, they must fit very securely. More contact with the horse’s leg means more support and protection.