HOW TO MEASURE
UNISEX SIZING: With arms relaxed down at the sides, measure circumference of chest at bottom of sternum.

inches
Sternum | |
XS | 33" - 35" |
S | 36" - 38" |
M | 39" - 41" |
L | 42" - 44" |
XL | 45" - 47" |
cm
Sternum | |
XS | 83.8cm - 88.9cm |
S | 91.4cm - 96.5cm |
M | 99.1cm - 104cm |
L | 107cm - 112cm |
XL | 114cm - 119cm |