509 Sinister X5 MaxVent Lens
509 Sinister X5 MaxVent Replacement Lens | MoreFreakinPower
509 Sinister X5 Snowmobile Goggle Replacement/Extra MaxVent Lens
Perfect for riders that need increased airflow for improved anti-fog performance.
The X5 MaxVent Lens features:
- more than twice the lens vent surface area versus standard 509 X5 lenses
- 6 large top vents and two strategically placed lower lens vents
- an all new Italian sourced Polycarbonate dual lens
- greatly improved anti-fog coating
- significantly more durable anti-scratch coating.
- Italian sourced optical lens