When the sun's blazing and the trail's calling, the Outdoor Research Sun Runner Cap delivers the versatile protection serious outdoor enthusiasts demand. This convertible trail running hat features UPF 40 sun protection and a generous 2.75" brim to shield your face, while the ingenious removable neck cape lets you customize your coverage based on conditions. The TransAction™ moisture-wicking headband keeps sweat out of your eyes during those grueling climbs, and strategic mesh side panels provide cooling airflow when the temperature soars. Whether you're logging miles on exposed ridgelines or spending long days by the lake, this lightweight hiking hat adapts to your adventure with secure hook-and-loop adjustment and an optional chin cord for windy conditions, making it the perfect companion for any sunny day pursuit.