Size: S Traditional Bra Sizing: 70ABC Underbust: 40.5-43cm/15.94-16.93 Size: M Traditional Bra Sizing: 75ABC Underbust: 44.5-47cm/17.52-18.50 Size: L Traditional Bra Sizing: 80ABC Underbust: 48.5-51cm/19.09-20.08 Size: XL Traditional Bra Sizing: 85ABC Underbust: 52.5-55cm/20.67-21.65