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 really should check the measurements below.

| Metric |
S |
M |
L |
XL |
XXL |
| A Shoulders |
42.5 |
44.0 |
46.0 |
48.0 |
50.0 |
| B Length |
70.0 |
72.0 |
74.5 |
76.0 |
76.5 |
| C Sleeve |
60.5 |
63.0 |
64.5 |
66.0 |
66.0 |
| D Chest |
103.0 |
106.0 |
110.0 |
113.0 |
118.0 |
| E Hem |
102.0 |
106.0 |
110.0 |
114.0 |
118.0 |
| F Cuff |
11.0 |
11.0 |
12.0 |
12.0 |
12.0 |
|
| Inches | S | M | L | XL | XXL | | A Shoulders | 16.6 | 17.2 | 17.9 | 18.7 | 19.5 | | B Length | 27.3 | 28.1 | 29.1 | 29.6 | 29.8 | | C Sleeve | 23.6 | 24.6 | 25.2 | 25.7 | 25.7 | | D Chest | 40.0 | 41.3 | 42.9 | 43.7 | 46.0 | | E Hem | 39.8 | 41.3 | 42.9 | 44.5 | 46.0 | | F Cuff | 4.3 | 4.3 | 4.7 | 4.7 | 4.7 |
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