This broad-brimmed Women's Oasis Sombrero from Outdoor Research keeps you cool under the hot Summer sun. The expansive brim provides shade for relief from intense solar rays, and a TransAction wicking headband keeps perspiration in check. SolarShield UV-resistant fabric provides an effective SPF of 30. Removable chin cord with drawcord adjustment. Made of 86% nylon/14% polyester ripstop crown. Supplex 100% nylon under brim. Weighs 3.4 oz.