PACKABLE PROTECTION: The Sun Bucket Hat offers essential sun protection in a lightweight, breathable, and ultra-packable design, featuring UPF 50+ materials and an interior stow pocket for quick and easy packability. SOLAR SHIELD: Ultraviolet Protection Factor (UPF) 50+ fabric means this hat is UV-resistant and constructed to protect you against the harmful effects of prolonged and intense sun exposure – at the park, beach, or summit. FINE-TUNED FEATURES: This hiking and fishing sun hat has a 2.5" front brim and 3.3" back brim with improved construction, crown cinch adjustment for a dialed-in fit, and a detachable, adjustable chin cord to keep it secure. HIGH PERFORMANCE FABRIC: With quick-drying body fabric made from lightweight, breathable 100% nylon, this sun shade hat delivers moisture-wicking comfort and is water-resistant to help repel mist and light sprinkles. ADVANCED HEADWEAR: Available in sizes S-XL, this performance SPF golf, surf, and running bucket hat for adult men and women weighs only 2.81 oz – letting you confidently approach a wide range of temperatures on your terms.