| Cou Cou | US | UK | EU | Bust | Waist | Hips | Length (from high point shoulder) |
| XXS | 0 | 4 | 32 | 30" | 23" | 33" | 31.1" |
| XS | 2 | 6 | 34 | 32" | 25" | 35" | 31.4" |
| S | 4 | 8 | 36 | 34" | 27" | 37" | 31.8" |
| M | 6 | 10 | 38 | 36" | 29" | 39" | 32.2" |
| L | 8 | 12 | 40 | 38" | 31" | 41" | 32.6" |
| XL | 10 | 14 | 42 | 41" | 34" | 44" | 33" |
| XXL | 12 | 16 | 44 | 44" | 37" | 47" | 33.4" |