The Giro Fixture Helmet\'s confident compact style and breezy ventilation combine to complement nearly any ride - especially when there\'s dirt under tread. The \'In- Mold\' construction couples with the Roc Loc Sport fit system to give you the versatility you need to ride everything from fire-road adventures to swooping singletrack trails.Full HardbodyshellRemovable visorQuick-Dry paddingReflectivityPolycarbonate shell with EPS linerRoc Loc Sport fit system18 ventsUNIVERSAL FIT SIZE 21.25” - 24” (54cm - 61cm)