Genderunisex featuresadjustable fit sports ultra light ul activitycycling recreational cycling road cycling mountain cycling head circumference inch22 25inch ventsna sizeone size brimvisorna ventilationna materialeps fit for22 23inch 56 585cm 24 25inch 61 635cm 23 24inch 585 61cm head circumference cm57 63 listing date06012017 production modeexternal procurement