Banana Boat Dress Womens size Medium UPF 50 Sea Turtles Turquoise Long Sleeve 90% Nylon 10% Spandex Approx. measurements laying flat Armpit to Armpit: 19" Middle of collar to bottom of dress (backside center): 34" Shoulder seam to Shoulder seam: 15 1/2" Please message with any questions. Thank you!