SIZE CHART *SMALL(US 4-6)... Shoulder: 11.42" ; Bust: 33.5~34.5" ; Longest length: 36.61" *MEDIUM(US 8-10)... Shoulder: 11.42" ; Bust: 35.5~36.5" ; Longest length: 37.01" *LARGE(US 12-14)... Shoulder: 11.81" ; Bust: 37.5~39.5" ; Longest length: 37.40" *X-LARGE(US 16-18)... Shoulder: 12.60" ; Bust: 40.5~42.5" ; Longest length: 37.80" *There is 2-3% difference according to manual measurement.