Product Description Product Description Features: UPF 50 PROTECTION：The women sun hat with wide brim ensure you are protected from the sun’s UV rays. Portable:Foldable, easy to carry or pack inside your purse, tote or backpack. Hat Size Measurements: 22 -22 3/4"(56cm-58cm). COMFORTABLE: Breathable mesh layer on both sides of the women 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. Adjustable Drawstring: An adjustable chin strap ensures the women sun hat will not be lost on a windy day. Rear opening design fits women's low ponytail comfortably.