Size Chest
XS 35 3/8 ~ 37 3/8
S 37 3/8 ~ 39 3/8
M 39 3/8 ~ 41 3/8
L 41 3/8 ~ 43 1/4
XL 43 1/4 ~ 45 1/4
Note: If you're in between sizes, we recommend sizing down to reap all the benefits of our compression wear.