This J Crew top has a ballet neck with wide, navy and white stripes. This job is 100% cotton and is machine washable. It has 3/4 inch sleeves. This top is a size 2X and has never been worn. The measurement from armpit to armpit is 24 1/2 inches. The length of this top is 24 inches. The sleeve length is 19 inches. The shirt comes from a pet free non-smoking home.