Lands end bathing suit top womens size 16 navy blue wirefree swimwear beachy

Lands end bathing suit top womens size 16 navy blue wirefree swimwear beachy has a loose thread by armpit length is 15in armpit to armpit is 17in tag is faded hard to see materials measurements are approximate not exact and is not doubled and are measured with the item laying flat please look at measurements i think it runs kinda small for a 16