size 38. xs i would say cup size A or B tops. its small. bottom can scrunch and adjust and so can the top. its cotton so its meant for sunbathing not so much water. Its not lined. great condition. never wore bottoms other than to try on. never in water or chlorine. dry cleaned once never in washer machine. no stains tears odors or discoloration. no original tags but the size tags are still on the item. any questions let me know.