Taken flat, in inches. Measure a shirt you already like and match the numbers —
it beats guessing. Tees are cut boxy; size down one for a trim fit. Fleece is relaxed.
Tees & Long Sleeve
Size
Chest
Length
Sleeve
S
19.5
28.0
8.3
M
21.0
29.0
8.7
L
23.0
30.0
9.1
XL
25.0
31.0
9.5
2XL
27.0
32.0
9.9
3XL
29.0
33.0
10.3
Fleece & Outerwear
Size
Chest
Length
Sleeve
S
21.0
27.0
34.0
M
23.0
28.0
35.0
L
25.0
29.0
36.0
XL
27.0
30.0
37.0
2XL
29.0
31.0
38.0
3XL
31.0
32.0
39.0
Between sizes? Go up on fleece, stay true on tees.