M's Canadian Shirt Size Chart

1-Lenght
 2-Chest 3-Sleeve
S 28.5 21 25.25
M 29.5 22 25.75
L 30.5 23 26.25
XL 31 24 26.75
2XL 32 25.5 27
3XL 32.5 27 27
 
*All measurements are in inches and were calculated on flat garments.