b'S 51-55 cm / 20.1 - 21.7M55-59 cm / 21.7 - 23.2L 59-63 cm / 23.2 - 24.8S g: 220 / oz: 7.8Mg: 240 / oz: 8.5L g: 260 / oz: 9.2CERTIFICATION: CPSC 12.03Venger22 VENTS DIVIDER PROFASTEX SYSTEM TOTALRSR 10 BUGSTOPFREE PADSADAPTIVEFLOW THROUGHSIDE BUCKLES CLOSURE BUCKLE COMFORT FIT ADJUSTABLEPADDING WITHINTERCHANGEABLEAIRFRAME BANDVENTILATION RETENTIONPROTECTIVECOMFORTSYSTEM NET PADDINGHELMET COLORSINCLUDED: Free pads interchangeable Bug stop interchangeable RSR 10 Retention SystemWHITE - SILVER MATTE TITANIUM - BLACK MATTEHL 66 01 00 US | 225S HL 66 01 11 US | 225MHL 66 01 01 US | 225M HL 66 01 12 US | 225LHL 66 01 02 US | 225LGUN MATTE - SHINY YELLOW MATTE - SHINYHL 66 11 01 US | 250M HL 66 11 11 US | 250MHL 66 11 02 US | 250L HIGHLY HL 66 11 12 US | 250L HIGHLYREFLECTIVE REFLECTIVESPARE PARTSBUG STOP FREE PAD RSR 10 Interchangeable padding with bug stop Interchangeable padding Retention System KitBlack Black Light Grey / BlackC0 00 04 10 | 20 C0 00 04 11 | 20 C0 00 04 20 | 1582'