Here's what other sites are saying:
Combining a large interior, an antifog-treated lens and a 2-speed fan, Smith Knowledge Turbo Fan ChromaPop goggles are a great choice for eyeglass wearers seeking clear vision and a comfortable fit.
Smith Knowledge OTG Turbo Fan Goggles are the best fog prevention system for eyeglass wearing skiers and riders. Engineered to fit and perform with your eyeglasses, the Smith Knowledge Turbo Fan OTG Goggles feature big interior volume with patented Turbo Fan technology, face foam and a wide strap for comfort. Two-speed, micro-electronic fan provides optimal fog prevention. Floating foam membrane eliminates eyeglass temple pressure while dual-layer Driwix face foam is comfortable against the skin. Carbonic-X lens with TLT Optics and Vaporator Lens Technology with Porex Filter. Articulating strap positioning system and QuickFit strap adjustment system provide a quick and optimal fit over any hat or helmet. Ultra-wide silicone backed strap. Large fit. Microfiber bag included. Available Colors: Black only. Keep the fog away with these Smith ski and snowboard goggles. 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. Available Color(s): Black Frame Ignitor Lens
- Tahoe Mountain Sports
The large sized Smith Knowledge OTG Turbo Fan Goggles with a Mirror Lens fit easily over your glasses, and a micro-electric fan helps prevent fogging. With a mirror lens, these goggles increase depth perception and cut down on glare. The silent, lightweight fan has a low speed for cruising, and a high speed to keep your goggles clear while you're sweating up a storm in the backcountry. The Knowledge OTG Turbo Fan Goggles' DriWix face foam won't get wet and slippery. See the sizing chart for information on lens tints.
- Backcountry Outlet
Most skiers and snowboarders complain about foggy goggles, but few four-eyed individuals understand the true agony of the foggy goggle/glasses combo. Queue up Smith's Chromapop Knowledge Turbo Fan Goggle, which features an integrated, electronic fan that blows moisture off your glasses and the goggle's lens for fog-free vision. The goggle's lens features Smith's strongest 5X anti-fog technology to assure fog-free vision when the fan isn't on, as well as Chromapop technology to make colors really pop. TLT lens technology ensures optically correct vision, while the Porex filter prevents distortions at higher elevations.Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
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