Your chest measurement: measure just under your arms
Your sleeve measurement: measure length from center back neck, over point of shoulder, to the wrist
SIZE
CHEST
NECK
SLEEVE
X-Small
30-32
13.5–14
30.5–31.5
Small
34-36
14–14.5
32-33
Medium
38-40
15–15.5
34-35
Large
42-44
16–16.5
35-36
X-Large
46-48
17–17.5
36.5–37.5
2X-Large
50-52
17.5–18
37.5–38
3X-Large
54-55
18–18.5
38.5–39.5
4X-Large
57-58
18.5–19
39.5–40.5
Ladies Sizes
Your bust measurement: measure at fullest point of bust