100-b Size Guide

SIZE (IN) SIZE  NECK (IN)  CHEST  (IN)
S 30-32 15 - 15 1/2 35 - 37
M 33-35 16 - 16 1/2 38 - 40
L 36-38 17 - 17 1/2 42 - 44
XL 39-42 18 - 18 1/2 46 - 48
2XL 43-46 19 - 19 1/2 50 - 52
3XL 47-50 20 - 20 1/2 54 - 56
4XL 51-54 20 - 21 1/2 58 - 60

Please note that if you use measurements in centimeters (CM), these correspond to the length of the foot and not to the total length of the footwear, including its last.