100% Polyester Buckle closure ⊙HIGH QUALITY MATERIALS: Premium polyester fabric. Not only provide UPF 50 protection for sun burn at outdoor activities, but also a great precaution at rainy days. ⊙360° PROTECTION: Comes with face and neck flap, full protection from the blazing sun. Extra wide brim provides wider shade but won’t block viewing. ⊙MULTI-FUNCTIONAL: Detachable top and flaps. Providing multiple wearing options to fit different needs. Light weight design, easy to carry around. Perfect for all kinds of outdoor activities like hiking, gardening, fishing. ⊙BETTER DESIGN: Draw string design to keep the hat in position at strong wind or heavy rain. Buckle button for quick releasing and applying. ⊙BEST SERVISES: 30 days no-question-asked money back protection by Yingzhe-International. Worry free purchase.