SNAPPY SECURITY Keep your head protected from the sun on all your outdoor adventures. With a snap back closure, you can rest assured this cap isn't going anywhere. NEVER FEAR UPF 50 sun protection helps shield you against the harmful effects of the sun. Omni-Shade™ UPF 50 sun protection (rating does not apply to mesh portion) Omni-Wick™ Flexfit® 110 Adjustable Uses: Hiking, Casual / Travel, Casual