Size 4 is Medium.
Measurements taken in inches, flat:
- Shoulders 15.5
- Bust 17.75
- Size 17.75
- Hem 18.5
- Sleeve width 6
- Sleeve 13.5
- Back length 22.25
Size 6 is Large.
Measurements taken in inches, flat:
- Shoulders 17
- Bust 20.5
- Size 20.5
- Hem 21
- Sleeve width 6.5
- Sleeve 13.75
- Length at the back 23