High Neck Crop Bikini Top (AOP)XS S M L XL Bust width, in 17. 25 18. 25 19. 25 20. 25 21. 25 Under bust width, in 14. 00 15. 50 15. 00 16. 50 16. 00 17. 50 17. 00 18. 50 18. 00 19. 50 The 4 way stretch along with the high neck crop make this bikini top not only comfortable, but also a chic choice that's highly versatile. Each bikini top comes with removable cups and an overall athletic style that can be easily mixed and matched to create stylish outfits. .: Material: 82% microfiber