Iconic Mayfly Solartech Cap is a Supplex performance cap in charcoal color. Light weight 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. Front logo is our Iconic Mayfly, designed by Charles Jardine. Embroidered Guideline logo in the back. UPF 50 uv protection, 97.5–98% of UV radiation blocked.