table>
Size
Chest Width
Body Length
Small
17-18 in.
43.18-45.72 cm.
29.5 in.
74.93 cm.
Medium
19-20 in.
48.26-50.80 cm.
30 in.
76.20 cm.
Large
21-22 in.
53.34-55.88 cm.
30.5 in.
77.47 cm.
XL
23-24 in.
58.42-60.96 cm.
31.5 in.
80.01 cm.
2XL
25-26 in.
63.50-66.04 cm.
32.5 in.
82.55 cm.
3XL
27-28 in.
68.58-71.12 cm.
33 in.
83.82 cm.
43.18-45.72 cm.
74.93 cm.
48.26-50.80 cm.
76.20 cm.
53.34-55.88 cm.
77.47 cm.
58.42-60.96 cm.
80.01 cm.
63.50-66.04 cm.
82.55 cm.
68.58-71.12 cm.
83.82 cm.

How to measure
Body length
Measured from neck seam to the bottom of the T-shirt.
Body width
Measured across the chest (not around the chest) below the sleeves.
All measurements are in INCHES and may vary a half inch in either direction.