The leading figure is always the target wearer's height in centimetres.
For women's tops and dresses, this is the bust in cm. For men's tops, the chest. For trousers, it's replaced with the waist.
So 165/72A on a pair of pants is drafted for a 165 cm wearer with a 72 cm waist.
The letter encodes the difference between bust and waist — in effect, your body shape.
| Letter | Bust − waist drop | Build |
|---|---|---|
| Y | ≥ 19 cm | Slim |
| A | 14–18 cm | Standard (most common) |
| B | 9–13 cm | Fuller |
| C | 4–8 cm | Curvy |
| Chinese code | Letter | US | EU |
|---|---|---|---|
| 155/80A | XS | 0 | 32 |
| 160/84A | S | 2–4 | 34 |
| 165/88A | M | 6 | 36 |
| 170/92A | L | 8 | 38 |
| 175/96A | XL | 10 | 40 |
| 180/100A | XXL | 12–14 | 42 |
Men's codes use the same grammar:
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