All drmers club pieces are in unisex sizing. For our crewnecks: 

Size Chest (in) Body Length (in) Sleeve Length (in)
S 40 26 33
M 44 27 34
L 48 28 35
XL 52 29 36


Chest: Measure across whole chest in the front 
Body Length: Measure from HPS (highest point shoulder) 

*Sizing chart for reference only, there may be a manual measurement error of ~1-2cm