This stylish helmet is a must-have safety accessory for your next adventure. Product DetailsThis helmet conforms to the AS/NZS 2063:2008 standard for bicycle helmets Dimensions/Size: 54cm - 58cm Material: Acrylonitrile butadiene styrene (ABS) Colour: Black FeaturesMedium size 14 air vents Adjustable straps with buckle closure Additional InformationUsage instructions given on packaging. Please follow instructions carefully. Care instructions: Clean according to given instructions Warning: No helmet can protect the wearer against all possible impacts. Follow usage instructions carefully.