Height: Measure from the ankle and up to the inside of the knee (A).

Calf: Measure around the widest part of the calf (B). (Note: measure over both socks and breeches!).    

SizeA LengthB Width
JRS31 cm26-29 cm
JRM33 cm28-31 cm
JRL36 cm30-33 cm
XS41 cm28.5 cm
S42 cm30 cm
M43 cm31.5 cm
L44 cm34 cm
XL45 cm36 cm