Coco Rave Halter Bikini - Smaller Sizing?

Halter top has removable pads and side boning for shape / Ties at neck and back - Tag says Size XL 38D Cup / Back ties are 17 ½” and pit to pit is 17 ½” laying flat. Bottom is bikini/hipster cut with banded waist / Waist measurement is 15 ¾” laying flat and rise is 9 ½”.