Arctic Cubic One Piece Halter Push Up Slim Tummy Control Tankini Swim Dress One Piece Halter Neck Push Up Ruched Tummy Control Swim Dress. Size runs smaller than US standard clothing size, so please view our Size Chart carefully. Please select the size according to your chest/bust measurement. Please choose the next size up if you are not quite sure about the sizing. Medium Size(in inches): Bust 30", Waist 24", Hips 32" Large Size(in inches): Bust 32", Waist 26", Hips 34" X-Large Size(in inches): Bust 34", Waist 28", Hips 36"