New with tags! Size medium. Swim cover up but definitely cute enough and not too see-through to wear anytime! Nursing/breastfeeding friendly. From website: 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. Do Well: by buying cotton products from Madewell, you're supporting our investment in Better Cotton's mission to help cotton communities survive and thrive while protecting and restoring the environment. This product is sourced through a system of mass balance and therefore may not contain Better Cotton. Machine wash.