Size Guide
How to Find Your Perfect Fit
Our swimwear is designed for a flattering, supportive fit. Use the measurements below to find your size.
Tops & One-Pieces
| Size | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|
| XS | 76–81 | 58–63 | 84–89 |
| S | 82–87 | 64–69 | 90–95 |
| M | 88–93 | 70–75 | 96–101 |
| L | 94–99 | 76–81 | 102–107 |
| XL | 100–105 | 82–87 | 108–113 |
Bottoms
| Size | Waist (cm) | Hip (cm) |
|---|---|---|
| XS | 58–63 | 84–89 |
| S | 64–69 | 90–95 |
| M | 70–75 | 96–101 |
| L | 76–81 | 102–107 |
| XL | 82–87 | 108–113 |
How to Measure
- Bust: Measure around the fullest part of your chest, keeping the tape parallel to the floor.
- Waist: Measure around the narrowest part of your waist.
- Hips: Measure around the fullest part of your hips, about 20cm below your waist.
If you're between sizes, we recommend sizing up for extra comfort. All our styles are designed with stretch fabric for a secure, comfortable fit.
Questions? Email us at boutiquesirens@gmail.com