Vineyard Vines Yellow Textured Cotton Knotch Collar Dress Size 6. Underarm to underarm measures 17 inches and length is 35 inches. The shell is 100% cotton and the lining is 97% cotton, 3% spandex. Excellent used condition, no flaws noted. Please don't hesitate to ask any further questions. Smoke free pet friendly home. Check out my other listings for a bundle deal!