Our men's crewneck runs true-to-size with a relaxed fit and is not meant to be worn tight.
 
Size Length Bust Sleeve Bicep Waist
S 25 42 24 13.5 40
M 25.75 44 24.375 14.75 42
L 26.25 46.5 24.75 14.625 44
XL 27 49 25.25 16.25 46