Fly RacingDefault Youth Helmet 2020Designed for BMX Racing, Freeride and Downhill Mountain Biking, the Fly Racing Default Youth Helmet 2020features an aerodynamic poly-alloy shell, sharp graphics, multiple vents to keep you cool on hot race days, removable and washable liner and cheek pads, padded chin strap with a D-ring closure, aluminum visor screws, and a CSPC certified EPS foam liner for protection. The bottom line is this: Fly is raising the standards yet again.FeaturesAerodynamic poly-alloy shellCSPC certified EPS foam liner for protectionMultiple vents helps with airflow that keep you cool on those hot race daysRemovable and washable liner and cheek padsPadded chin strap with a D ring closureAluminum visor screwsVents also allow for easy water drainage when used for Jet Skiing and Watercraft useSafety standards: CPSC 1203Fly RacingHelmet Size ChartSizeExtra SmallSmallMediumLargeExtra LargeXX LargeU.S. Hat Size6 5/8 - 6 3/46 7/8 - 77 1/8 - 7 1/47 3/8 - 7 1/27 5/8 - 7 3/47 7/8 - 8Head Diameter (in)20.50 - 21.2521.25 - 22.0022.00 - 23.0023.00 - 23.7524.00 - 24.5024.50 - 25.25Head Diameter (cm)53 - 5455 - 5657 - 5859 - 6061 - 6263 - 64 | Fly Racing Default Youth Helmet 2020 Size Small in Black/Grey