Constructed with a lightweight and breathable pure linen. Features a curved back yoke with a box-pleat for comfort, and a curved hem with side vents for easy movement. Detailed with mother of pearl buttons, a U-shaped breast pocket, and a handy sunglass loop for effortless summer-chic. Machine wash for easy care. Derek Rose is a family business of three generations working together to make the very best nightwear, loungewear, leisurewear and underwear.