Measure around the fullest part of your bust and directly under your bust.
| Brand Size | US Bra Size | Bust | Underbust |
|---|---|---|---|
| M | 32A-32B | 32.3 in (82 cm) | 27.6 in (70 cm) |
| L | 32B-34A | 33.9 in (86 cm) | 29.1 in (74 cm) |
| XL | 34B-34C | 35.4 in (90 cm) | 30.7 in (78 cm) |
Natural silk has little stretch. For the best fit, consider sizing up.