Up for sale is a good pre-owned condition Athleta shorebreak swim dress, size XS.  This dress features a built in shelf-bra and adjustable back straps. There is no built in panty.  You will need swim bottoms to accompany this dress.  You could also wear this for tennis, golf, pickleball, etc. as it is very versatile. 

Measurements:
- Armpit to armpit: 14.5 inches

Materials:
Shell - 80%/nylon; 20% spandex
Lining - 100% polyester