Small fits UK dress size 8/10 and chest sizes 34 to 36 inches and circa B/C cup sizes Medium fits UK dress size 10/12 and chest sizes 36 to 38 inches and circa B/C cup sizes Large fits UK dress size 12/14 and chest sizes 38 to 40 inches and circa C/D cup sizes XL fits UK dress size 14/16 and chest sizes 40 to 44 inches and circa D cup size
