Madewell Lightestspun Swim Cover-Up Maxi Shirtdress Black Large NC916 New Made of a featherweight version of our best-selling Lightspun double gauze, this shirtdress cover-up comes in a luxurious maxi length with high side slits (and, since the buttons go all the way down, it even doubles as a duster). Relaxed, slightly oversized fit. Cotton. Machine wash. Imported. Chest: 25”