The large interior volume of the Knowledge Turbo Fan OTG accommodates a wide range of eyeglass sizes while also fueling the fog-fighting performance of our patented Turbo Fan technology.

Combined with our proprietary 5X™ antifog inner lens, the Knowledge provides incredible anti-fog performance for eyeglass wearers.

Vison
- two-speed micro-electronic turbo exhaust fan
- cylindrical carbonic-x lens
- available with a ChromaPop lens
- 5X™ anti-fog inner lens
- TLT lens technology for crystal clear vision
- patented Porex™ filter prevents optical distortion during changes
in elevation

Fit
- large fit
- QuickFit strap adjustment system with clip buckle
- 2-layer DriWix face foam

Integration
- helmet compatible
- ODS3 compatible
- floating foam membrane eliminates eyeglass temple pressure
- ultra-wide, silicone backed strap
- articulating strap positioning system
- includes microfiber goggle bag

ODS3 RX adaptor features
- full frame optical eye wire
- TR90 frame material
- compatible with PivLock™ Arena, Arena Max, and V2 Max sunglasses
- compatible with Turbo Fan snow goggles
- PivLock™ nose bridge and goggle nose bridge adaptor included
- microfiber cleaning cloth and storage bag included