SF Marathon Technical cap. Open-knit breathable ripstop fabric made from 95% poly, 5% spandex; UPF 30+ top panels, 50+ peak and front panels; dark underbill to reduce glare; moisture wicking headband; quick adjust spandex rear strap to fit most, size range 55cm - 63cm ; 7 cm brim length; hard peak; machine-washable. Item ID sfphC138