Guideline Mayfly Solartech Cap is a Dark Khaki Supplex performance cap. Light weight and soft for comfort, water repellent and stain resistant. DryZone undervisor and sweatband for moisture wicking, mesh inside front panel for ventilation. Adjustable Velcro strap with elastic tab for added comfort. Technical HD-printed mayfly patch. Eight centimeters extra long brim to cut out the sun for easier fish spotting. UPF 40 uv protection, 97.5–98% of UV radiation blocked.