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

inches
Sternum | |
XS-M | 30" - 38" |
L-XXXL | 38" - 48" |
1X-3X | 48"-58" |
cm
Sternum | |
XS-M | 76.2cm - 96.5cm |
L-XXXL | 96.5cm - 122cm |
1X-3X | 121.9cm-147.3cm |