This signature button-down shirt is made from an ultra-thin layer of Polo Ralph Lauren's lightest cotton fabric, making it the perfect shirt for transitional days or when you want a comfortable layer under a sweater or jacket. 100% Cotton. Button-down point collar. Button placket. Long sleeves with buttoned cuffs. Split back yoke with box pleat ensures a comfortable fit and greater range of motion. Signature embroidered pony on left chest.