Options *Small  fits hip circum. 28 -32, Medium fits hip circum. 33 -38, Large fits hip circum. 39 -44, XLarge fits hip circum. 45 -49, XXLarge fits hip circum. 50 -54, XXXLarge fits hip circum. 54 -57,
* Four flexible metal stays provide posterior compression  while the 4 premium elastic side pulls provide adjustable abdominal compression * Measurement is hip circumference * Quality shoulder straps help provide upper body support and encourage wearing of the support during rest periods