100% Polyester. Super light and fully flexible to be foldable.
Adjustable Chin Drawstring: This boonie hat is equipped with an adjustable chin drawstring to hold the hat in place on windy days and to ensure a secure fit.
Efficient Design: Comfortable hat keeps you dry; The wide brim hat provides extra protection from the sun.
Lightweight & Portable: The lightweight fabric & soft structure make it easy to fold small for packing in your back pocket or bags.