Cotton On White Button Down Long Sleeve 100% Cotton Oversized Shirt Ladies XS The Cotton On White Button Down Long Sleeve Shirt is a classic and versatile top for women in size XS. This crisp white shirt exudes a timeless appeal with its button-down style and long sleeves, perfect for everyday wear or dressed up for a more polished look. Made from a comfortable fabric type, this shirt is a wardrobe staple that can be styled in various ways to suit different occasions.