IMPORTANT. The sizing of Iron Heart tops (as with most Japanese brands) runs smaller than their Western equivalents (of S, M, L etc). Please do not assume that because you are normally an L, that you will be an L in these, you must check the measurements below.

Tag Size |
Small |
Medium |
Large |
Extra Large |
ALength |
21 |
22 |
23 |
25 |
B Shoulders |
16 |
17 |
18 |
19 |
C Hem |
37 |
39 |
41 |
43 |
| D Arm |
25 |
25 |
26 |
26 |
E Chest |
43 |
44 |
46 |
48 |
All above sizes are in inches