J.Crew STUNNING Cecily Dress in Cotton Poplin Size 4, NWOT Something about a puff sleeve adds polish to every outfit. This special dress features a floor-length silhouette, an elegant V-neck and oversized puff sleeves for the good kind of drama. Plus, it's made with organic cotton that is grown without chemical fertilizers and pesticides from nongenetically modified seeds. 100% cotton. Lined. Back zip. Machine wash.