Patagonia black halter dress with self tie size medium

Patagonia black halter dress with self tie that is sewn in , in the back about empire level. Fabric is super soft 57% organic cotton and 43% tencel. It's cute as a simple pullover dress for the beach or running around shopping. Armpit to armpit measures 15" and the length is 34" approximately. Tue it on the side or middle. It has a shelf bra too; so no bra required! Great condition size medium