100% Wool Material: 100% wool,Dry clean only. Size:Head circumference 22.44,Height:5,Brim:3.94.One Size fits most. Inner adjustable drawstring for a secure fit, you can adjust size according to your head circumference. It is foldable and easy to take when going out. Domed crown and large wide brim,Beautiful and lamorous,Wear with casual or formal attire.