The original. The archetype. The industry standard soft brim run cap. Race proven from Boston to Charlevoix, and your local 5k as well. Description – lightweight, fast-drying performance-ready COOLwick fabric and repreve recycled performance fiber.– UPF +40 protection on the brim, front panel and back panel.– machine washable.– pliable SOFTflat brim for easy packability.– reflective detailing on the front and back for night run visibility.– ciele athletics million miles guarantee.– 5 panel fit. 58 cm. adjustable. one size fits most. see size guide.– weight 62 grams.– designed for people who run.