The large interior volume of the Knowledge Turbo Fan OTG accommodates a wide range of eyeglass sizes and now with our new 5X Anti-Fog Inner Lens, the Knowledge is an excellent choice for all eyeglass wearers.
Large Fit
Two-Speed, Micro-Electronic Fan
Carbonic-X Lens with TLT Optics
Patented Vaporator Lens Technology with Porex™ Filter
5X Anti-Fog Inner Lens
Floating Foam Membrane Eliminates Eyeglass Temple Pressure
Articulating Strap Positioning System
Ultra-Wide, Silicone Backed Strap
QuickFit Strap Adjustment System with Clip Buckle
Dual Layer, DriWix Face Foam
ODS2 and Eyeglass Compatible
Helmet Compatible
Microfiber Bag Included
