Women Ponytail Sun Hat Wide Brim Sun Hat with Flap Packable 。Hat Size & Cosy Fit】:Womens sun hat is perfect fit for 21.8\"-23.3\" head circumferences.The elastic buckle behind the hat is adjustable for the most comfortable size. 360° Sun Protection & Windproof】:Boonie hat with 3.75 inches wide brim,keep the sun off your head,face and neck.UPF 50+ sun protection blocks harmful UVA & UVB rays effectively.In addition, the hat is equipped with an adjustable chin strap for a windy conditions. Ponytail Design & Cowboy Style】:Ponytail opening in back is considerate design for womens,perfect to pull your bun or ponytail through on hot summer days,offers great ventilation and heat dissipation compared with normal sun hats.Foldable side snaps also allow you to wear the hat in different ways.