| Size | Maison Atia | US | UK | EU |
| XS | 0 | 0 | 4 | 32 |
| S | 1 | 2-4 | 6-8 | 34-36 |
| M | 2 | 6 | 10 | 38 |
| L/XL | 3 | 8-10 | 12-14 | 40-42 |
| Size | Bust | Waist | Hips | Shoulder Width | Sleeve Length (for coats) |
| XS | 32in | 28-30in | 39in | 15in | 23in |
| S | 33-34in | 30-32in | 40-41in | 16-17in | 23.25in |
| M | 36in | 32-34in | 42in | 18in | 23.5in |
| L/XL | 37-38in | 34-38in | 43-44in | 18.5-19in | 23.75-24in |
