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 anti-fog inner lens, the Knowledge provides incredible anti-fog performance for eyeglass wearers. TR-90 frame material ensures quality and durability on the slopes. Hand built in the USA.
Smith Optics Knowledge Turbo Fan w/ 5X Anti-Fog
Colors: Black/Blue Mirror (0TTX C5)| Black/Ignitor Mirror (0TTX MK)| Black/Red Mirror (0XA9 MK)
Two-speed micro-electronic turbo exhaust fan
TLT lens technology for crystal clear vision
Ultra-wide, silicone backed strap
ODS3 & eyeglass compatible
Cylindrical carbonic-x lens
2-layer DriWix face foam
Hand Built In The USA
5X anti-fog inner lens
Patented Porex filter
TR-90 frame material
Compatible with Turbo Fan snow goggles
Microfiber cleaning cloth and storage bag included
From Smith’s ultimate integration between goggles and helmets, to the unmatched clarity of the ChromaPop lens, its’ devotion to excellence, innovation and style has made Smith goggles, helmets, and sunglasses the choice of action-sport athletes worldwide. Smith products represent authentic sports gear, researched and tested by a dedicated group of professionals .