Short-Sleeve Button-Up Pyjama Set Drawstring Waist - SiobhanAbout the Piece: The Siobhan pyjama set is designed for those evenings when you want to wind down without sacrificing a touch of polish. The short sleeve button up top sits comfortably across the shoulders with a relaxed cut through the body, while the matching shorts feature a drawstring waist that lets you adjust the fit to exactly where you're comfortable no digging, no fuss. Delicate frill detailing and a bow accent keep things feeling refined