01 — What you know
From
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Your t-shirts size in Nike
An M in one brand is an L in another — and oversized cuts shift it again.
02 — Your Jack & Jones size
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Pick a size you wear in another brand, or enter your chest. Your Jack & Jones size appears here.
| Chest (cm) | Size | Chest (in) |
|---|---|---|
| 92.0 | XS | 36.2 |
| 96.0 | S | 37.8 |
| 100.0 | M | 39.4 |
| 104.0 | L | 40.9 |
| 112.0 | XL | 44.1 |
| 120.0 | XXL | 47.2 |