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.

|
Medium | Large | Extra Large |
| A Shoulders | 44.5 | 46.5 | 48.5 |
| B Length | 75.5 | 77.0 | 78.5 |
| C Sleeve | 63.5 | 65.0 | 66.5 |
| D Chest | 109.0 | 113.0 | 117.0 |
| E Hem | 104.0 | 108.0 | 112.0 |
| F Cuff | 10.5 | 11.0 | 11.0 |
Sizing in Centimeters

NB: I'm 6'2" with a 42 chest, this is an XL