Patagonia Aztec Organic Cotton and Hemp adjustable tank top. Size 16 or XL?

Patagonia Aztec Organic Cotton and Hemp Tank Top. Adjustable with buttons on back panel. Zip closure, ruching at bust. Really good condition, clothing info label removed, but patagonia label intact. Size seems to be either a size 14 or 16. Pit to Pit: 20" Smallest waist: 18" Please see pictures for condition and measurement! Feel free to ask questions, make an offer or bundle for deals! On closet clear out days, feel free to send a message and I'll drop the price so you can get discounted shipping!