b'RSR C RSR10 RSR9 RSR8 RSR7 RSRDISCRSR8+Weight S-M 10.2 oz|320 gm Retention RSR 10L 11.6 oz|360 gmRSR C RSR10 RSR9 RSR8 RSR7 RSRDISCSize S-M 21.3 - 22.8 in|55 - 58 cm Certification CPSC 12.03HELMETSL 23.2 - 24.0 in|59 - 61 cmRSR8+2 VENTS FASTEXDIVIDER PRO FLOW THROUGHSYSTEMSIDE BUCKLESVENTILATION CLOSURE BUCKLE RSR C RSR10 RSR9 RSR8 RSR7 RSRDISCRSR8+RSR 10 M FREE PADS ADJUSTABLEINTERCHANGEABLE RETENTIONCOMFORT PADDINGSYSTEMAEROTHE WING INCLUDEDRSR C RSR10 RSR9 RSR8 RSR7 RSRDISC- REMOVABLE MAGNETIC SHIELD (laser black) - REMOVABLE MAGNETIC VENT COVER- MICROFIBER POUCHHELMET COLORS - INTERCHANGEABLE FREE PADSRSR8+WHITE (SHINY) BLACK (MATTE)HL 73 00 01 | 425S - M HL 73 00 11 | 425 S - MHL 73 00 02 | 425L HL 73 00 12 | 425 LSPARE PARTSFREE PAD REMOVABLE OPTICAL SHIELDBlackC0 00 04 09 | 20RSR 10 M RETENTION SYSTEM KITMirror Chrome Laser Black Transparent Multilaser OrangeC0 00 04 39 | 15 LH 73 09 | 85 LH 73 11 | 65 LH 73 40 | 85RSR C RSR10 RSR9 RSR8 RSR7 RSRDISCRSR8+Helmet weights are impacted by production batch, shell color, atmospheric conditions and other factors. Helmet weights listed are averages and may vary by up to +/- 5-10%and are without visors/accessories.69'