Excellent used condition size M. The Under Armour Women's Athlete Recovery Sleepwear Long Sleeve Shirt is made with a soft, lightweight fabric that is perfect for sleeping in. It is also moisture-wicking and breathable, so you will stay dry and comfortable all night long. Also suitable for wearing during the day. The back slit is also a design feature that makes the shirt more flattering. It helps to elongate the torso and create a more slender silhouette.