The Columbia Coolhead™ Zero IV Booney Hat is designed to keep you cool, dry, and protected during sunny days, offering advanced cooling and sun-shielding performance for everyday wear.Key FeaturesLightweight performance fabric delivers comfortable, breathable wear in warm conditionsOmni-Freeze™ Zero technology activates with sweat to enhance cooling and evaporationOmni-Wick™ technology pulls moisture away from the skin for fast-drying comfortOmni-Shade™ Broad Spectrum UPF 50 helps protect against UVA and UVB rays3.5-inch brim provides extended sun coverageAdjustable chin strap offers a secure, custom fitPackable cape adds versatile coverage when extra protection is neededMore Details Columbia branding delivers a signature outdoor finishDesigned for everyday outdoor use