MEN’S SHIRTS SIZE GUIDE
| Size | To fit Chest Size | To fit Neck Size |
|---|---|---|
| Inches | Inches | |
| S | 36-38 | 15.5 |
| M | 38-40 | 16 |
| L | 40-42 | 17 |
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What does shirt size 40 mean?
If you see size 40 in a shirt’s tag/label/sticker, this means that the length of the collar is 40 cm. Similarly, size 42 means, the length of the collar is 42 cm. A size 40 shirt from one brand may have 42 inches chest length, and for another brand, it may have 44 inches chest length.
What size is 40 in US?
French size 40 is usually an American medium or American size 10.