Proquip merino wool water repellent beanie merino wool is renowned for being fine and soft and has unique properties that make it perfect for playing in cold weather the hat is treated with an exclusively developed water repellent finish that is reactivated whenever it is washed the wool fibres are also naturally breathable and so allow air and perspiration to escape without causing build up of cold clammy sweat merino wool keeps you warm in the winter and cool in the spring or autumn merino