Underbust 

Measurement

20-24 inches

51-61 centimeters

24-28 inches

61-71 centimeters

 24-28 inches

71-81 centimeters 

 32-36 inches

81-91 centimeters 

 36-40 inches

91-105.5 centimeters

40-44 inches

105.5-112 centimeters 

44-48 inches

112-122 centimeters

Arm

Measurement

(for vests with sleeves)

 9.5-10.25 inches

24-26 centimeters

 10.25-11 inches

26-28 centimeters

11-12 inches

28-30.5 centimeters 

 12-13 inches

30.5-33 centimeters

 13-14.5 inches

33-36 centimeters

 14.25-15.5 inches

36-39.5 centimeters

 44-48 inches

39.5-43 centimeters