Size 6. Runs small, similar to the shorts and sports bras. Fits A-B Cup. Full bottom and triangle shape top. Bottoms are reversible. As shown by the photo. Ties on both top and bottom. Area to insert and remove cups. Does not come with cups. Size tag has been removed. 14” across the band of the bottoms 12.5” across the band of the top. As most Lululemon swimwear, it is hard to come by. In great condition! :)