Size M: perimeter of the head from 58 to 60 cm. Genovan Solar Cap is an innovative solar token that offers a composition 100% cotton low exclusive chemical processing of such way that assures during all the day an UV protection d And a 99% set against the rays GRAPE and UVB. This UV protection remains active even in wet and after multiple washes. Its exclusive design offers an adequate ventilation and its anatomical form protects the most delicate zones of the head: nape of the neck, ears, nose, bald. Available in sizes pequena, Medium and large and in the marine blue colors and green safari. Composition: Composition 100% cotton low exclusive chemical processing of such way that assures during all the day an UV protection of a 99% frent And to the rays GRAPE and UVB.