Size Guide
Our dresses are sized for a relaxed, flowy fit. When in doubt, size down for a closer fit or size up for extra ease.
Women's Size Conversion (US / EU / UK)
| Size | US | EU | UK | Bust (in) | Waist (in) | Hip (in) |
|---|---|---|---|---|---|---|
| XS | 0-2 | 32-34 | 4-6 | 32-33 | 24-25 | 34-35 |
| S | 4-6 | 36-38 | 8-10 | 34-35 | 26-27 | 36-37 |
| M | 8-10 | 40-42 | 12-14 | 36-37 | 28-29 | 38-39 |
| L | 12-14 | 44-46 | 16-18 | 38-40 | 30-32 | 40-42 |
| XL | 16-18 | 48-50 | 20-22 | 41-43 | 33-35 | 43-45 |
How to Measure
- Bust: Around the fullest part of your chest, keeping the tape level.
- Waist: Around the narrowest part of your torso, just above the belly button.
- Hip: Around the fullest part of your hips, about 8 inches below your waist.
Most of our models are 5'8" – 5'10" wearing size S. Each product page shows specific measurements.
Still Not Sure?
Email hello@siennara.com with your measurements. We respond within 24 hours with a personal recommendation.