medium size: height to shoulder - 60.5 inches, distance around chest, belly or hips - 40" maximum
large size: height to shoulder - 63 inches, distance around chest, belly or hips - 43" maximum
extra large size: height to shoulder - 68 inches, distance around chest, belly or hips - 46" maximum
XXL size available: if you exceed girth measurements, maximum recommended weight - 230 pounds
Note: all measurements with clothes on.