M's Crewneck Size Chart

1-Lenght
2-Chest 3-Sleeve
S 27 21.5 25.25
M 28 22.5 25.75
L 29 24 26.25
XL 30 25.5 26.75
2XL 31 27 27.25
3XL 31.5 28.5 27.25
 

*All measurements are in inches and were calculated on flat garments.