S-M8 RADIUM AQUA TECH DIRT/MOTO HELMET

Alpinestars S-M8 RADIUM AQUA TECH DIRT/MOTO HELMET

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$529.95
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  • ECE/DOT
  • Multi-density EPS polymer liner
  • Patented A-Head fitting height and angel adjustment system
  • Unique, patented visor release system
  • Collarbone protection feature at the shell base
  • Multi-directional Impact Protection System (MIPS)
  • Emergency Release System (ERS)
  • Eject inflation system fitment inside the crown of the shell


  • ECE/DOT
  • Multi-density EPS polymer liner
  • Patented A-Head fitting height and angel adjustment system
  • Unique, patented visor release system
  • Collarbone protection feature at the shell base
  • Multi-directional Impact Protection System (MIPS)
  • Emergency Release System (ERS)
  • Eject inflation system fitment inside the crown of the shell

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