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509 Sinister MX-5 Offroad Goggle

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509 Sinister MX-5 M90 Goggles

Born from 509's X5 snow goggle, the Sinister MX-5 features the same goggle frame, this time pairing a dirt-specific single pane lens with tear off posts and a sleeker, removable nose mask. The air vent ports are lined with a summer-specific high flow foam to allow maximum air flow while keeping out small dirt and dust particles. The MX-5 fits perfectly inside a 509 dirt helmet.


  • Fog free lens technology
  • Single pane lens with tear off posts
  • Improved visibility
  • Phantom frame technology
  • Removable nose mask
  • Perfect Fit outriggers
  • Silicon lined strap