A. Oblique extensor of   knee

B. Extensor of knee

C. Annular ligament

D. Common digital extensor (extends toe)

E. Lateral digital extensor (extends pastern)

F. Small metacarpal (splint) bone

G. Branch of suspensory ligament

H. Superficial flexor tendon (flexes pastern)

I. Check ligament

J. Deep flexor tendon (flexes toe)

K. Suspensory ligament

L. Large metacarpal (cannon) bone

M. Coronet Band

1. Fetlock area

2. Sesamoid area

General Sizing

Small......14 to 15 hands tall         Medium.......15 to 16.2 hands tall

Large........16.2 to 17.2 hands          X-Large.......17.2 hands & up

If a horse's measurements are smaller than shown in the above chart, a size SMALL boot is appropriate. If the measurements are 1" larger than shown above, a size LARGE boot is appropriate. For measurements more than 1" larger than shown above, a size X-LARGE is recommended.