Size Chart (All measurements are approximate)
Men/Unisex
Shirts (Gildan Ultra Cotton Tank)
 
 
XXS
 
XS
 
S
 
M
 
L
 
XL
 
2XL
 
3XL
 
Chest (inches)
 
n/a
 
n/a
 
17 - 18
 
19 - 20
 
21 - 22
 
23 - 24
 
25 - 26
 
n/a
 
Length (inches)
 
n/a
 
n/a
 
27 - 28
 
28 - 29
 
29 - 30
 
30 - 31
 
31 - 32
 
n/a
 
 
Instructions:

Find a shirt or tank that fits you well, and lay it on a flat surface.

For the chest measurement measure at widest part of shirt from armpit to armpit (see diagram).

For the length measurement, measure from the top of the shoulder to the bottom of the shirt (see diagram).

Then match up your measurements to the chart above. All measurements are in inches, diagram not to scale.