Name: sun hatMaterial: PolyesterSize: As shown in the picture [adjustable]Color: dark gray, dark green, khaki 11.UPF50+ Sun ProtectionThe men's sun hat is rated UPF 50+ to keep you safe from the sun's harmful UVA and UVB rays. Use this UV sun hat as a beach hat, fishing hat, or hiking hat. 22.Cool and ComfortableLightweight breathable material and breathable mesh sides help promote airflow, ensuring you stay cool and dry on hot sunny days. We've also incorporated a moisture-wicking headband to keep sweat out of your eyes. 33.Adjustable FitThis hat that fits all sizes can be adjusted with the elastic drawcord inside the headband and locked in place using the rear-mounted toggle button. 44.Windproof Elastic CordMesh Ventilation Promotes Air Flow-Moisture Wicking Headband-Adjustable Drawcord for Best Fit-Adjustable Chin Strap Make sure your hat doesn't get lost on windy days. 55.Wide ApplicationPerfect for any outdoor activities: Mountaineering, Fishing, Rock Climbing, Travel, Vacation, Cycling, Camping, Hiking, and Sports.