Torso measurement is most important for finding your accurate one piece size. If you are inbetween torso measurements or know your torso runs long, we receommend sizing up!
Measurements are in inches.
| Jolyn One Piece Size | Dress Size (US) | Torso | Cup Size | Waist | Hip | Over Bust |
| 22/22J | Y10 | 51 | 23-24 | 30-32 | 27-28 | |
| 24J | Y12 | 53 | 24-25 | 33-34 | 29-30 | |
| 24 | 00 | 56 | AA | 23-24 | 33-34 | 29-30 |
| 26 | 0/2 | 57 | A | 25-26 | 35-36 | 31-32 |
| 28 | 2/4 | 58.5 | B | 27-28 | 37-38 | 33-34 |
| 30 | 4/6 | 60 | C | 29-30 | 39-40 | 35-36 |
| 32 | 6/8 | 61.5 | C | 31-32 | 41-42 | 37-38 |
| 34 | 8/10 | 63 | C/D | 33-34 | 43-44 | 39-40 |
| 36 | 10/12 | 64.5 | 35-36 | 45-46 | 41-42 | |
| 38 | 12/14 | 66 | 37-38 | 47-48 | 43-44 | |
| 40 | 14/16 | 67.5 | 39-40 | 49-50 | 45-46 | |
| 42 | 69 | 41-42 | 51-52 | 47-48 | ||
| 44 | 70.5 | 43-44 | 53-54 | 49-50 |
