Aisa Women Bowknot Sun Hat Wide Large Brim Visor Hat Cap Summer Beach Hat 100% Polyester Estimated Head Circumference:20"(min),Depth--4.3",Brim Length--4.53" Velcro adjustable,One size fits for most Dual purpose design,Sun hat disconnecting the zipper become Visor cap This sun hat with Large Brim and Lovely Bowknot design protect you away from sunlight and ultraviolet light and look attractive,it makes a great gift this season!