90% Cotton, 10% PolyesterImportedDrawstring closureUPF 50 PROTECTIONThe sun hat with wide brim ensure you are protected from the suns UV rays.Adjustable Drawstring: An adjustable chin strap ensures your hat will not be lost on a windy day. Rear opening design fits women's low ponytail comfortably.COMFORTABLE: Breathable mesh layer on both sides of the sun hat is for ventilation even in the hot summer. Breathable, comfortable & durable.Wide Applicable Occasion: Suitable for sun visors, daily wear, sports and outdoors such as Fishing, Hiking, Working Outside, Gardening traveling, Camping, Beaches and more.Portable:Foldable, easy to carry or pack inside your purse, tote or backpack. One Size Fits Most: The circumference is 22.8inch.