Feel as free as your feet wearing our ultra-lightweight Barefoot running hat, made from soft, quick-drying fabric with UPF 50 sun protection. Mesh wicking, color-contrasting insets make you the coolest airhead around, with reflectivity on the brim and in back for 360ïº visibility in low light. High quality hook and loop closure wonï't let you pull your hair out. Merrell Opti-Wick moves moisture away from your skin and accelerates the evaporation process. 100% polyester. Breathable, color-contrasting mesh panels at crown increase airflow and wick moisture.