Genderunisex featuressports ultra light ul youth urban mountain adjustable activitycycling climbing others recreational cycling road cycling mountain cycling hiking with detachable sunvisoryes vents25 sizel58 61cm m55 58cm audiono brimvisorno goggle lockno raceyes ventilationfixed removable lineryes materialeva pc eps certificationce head circumference cm55 58cm 58 61cm brandmoon net weightkg0275 head circumference cm