UPF 50+ FABRIC DEFENSE – Blocks harmful UV rays to keep you safe and cool during long treks or travel under the sun WIDE BRIM COVERAGE – Offers reliable shade for your face and neck, helping prevent glare while maintaining comfort. LIGHTWEIGHT BUCKET DESIGN – Easy to pack and wear, with quick-drying material perfect for warm-weather exploration. BUILT FOR HIKING PERFORMANCE – Durable construction ensures lasting use through rugged trails and variable weather. OUTDOOR RESEARCH QUALITY – Trusted craftsmanship delivers protection, comfort, and function for every adventure. Keep sunburn from spoiling your fun in the sun thanks to the Outdoor Research Helios Sun Hat. Ripstop nylon fabric increases the durability of the Helios and resists gnarly wear and tear. UPF 50+ SolarShield sun protection. TransAction headband wicks away moisture and feels soft against your skin. The foam-stiffened brim floats in case you drop your hat into an accommodating river or lake. External drawcord adjustment in back for proper fit. Removable chin cord with cordlock holds hat in place on windy days. 23" circumference. 86% nylon, 14% polyester. Wash cold and dry flat. Imported.