Outdoor Research Sentinel Brim Hat Supplex 100% nylon Imported Wicking Transaction Headband Insect shield, repels mosquitoes, ticks, ants, flies, chiggers and for ultimate insect protection Nylon fabric, UPF 30, foam-stiffened brim floats, headband for comfort and moisture management Odorless, safe, EPA-registered insect shield and reg, lasts Mesh side panels aid ventilation, external drawcord adjustment, removable chin cord with cord-lock Made in China