http://www.easycareinc.com/Our_Boots/Easyboot_Glove/easyboot-glove_sizing.aspx
The other companies that make competing boots have not, to my knowledge, recognized the advantages of measuring in millimeters.
HARRY WYETH
Some horse owners opt not to shoe their horses, and instead ride them
barefoot (works with some hard-footed horses) or with slip/strap-on
boots (good when the ground is rocky). One popular boot brand is Easy
Boot, and they have a new type of boot that they say fits so well that
very careful hoof measurement is critical. So they require owners to
measure their horses' feet in millimeters. See:
