NWT FEMME Elegant Navy Sleeveless Dress. Size OS. Made in Italy.

This elegant navy sleeveless dress is perfect for any occasion. Its classic design and comfortable fit make it a versatile addition to your wardrobe. Armpit to armpit = 16.75”. Top of back of neck to bottom = 33”. Stretchy, pleats flow and stay put, soft and comfortable. Beautiful dress and brand new! Fully lined. Size says “OS”. I would say it is a S/M.