SIZE: S Under/Top Manufacturer's size: 64cm~70cm/73cm~82cm SIZE: M Underwear/Top Manufacturer's size: 69cm~75cm/81cm~90cm SIZE: L Chest/Height Manufacturer's listed size: 82cm-90cm/162cm-168cm SIZE: O Chest/Height Manufacturer's size: 85cm-93cm/167cm-173cm SIZE: O Chest/Height Manufacturer's size: 85cm-93cm/167cm-173cm