The Smith Knowledge OTG snow goggles provide exceptional fog prevention, comfort, and eyeglass compatibility so you don't have to make any sacrifices when it comes to seeing clearly on the slopes. . Large sized frame with articulating outrigger positioning system evenly distributes pressure across the brow and nose to ensure a comfortable, complete seal. Carbonic X lens is made of two lenses bonded together with spacer foam to create a thermal barrier, keeping the inner lens warm, dry, and fog free. Tapered Lens Technology TLT Optics straightens out incoming light rays for undistorted vision and reduced eye fatigue. RC36 lens uses a universal rosecopper base tint for improved depth perception, increased contrast, and glare reduction in all light conditions 36% VLT. Patented Regulator adjustable lens ventilation provides added control of airflow through the goggle. 2 Layer DriWix face foam has a fleecy next to skin layer for insulation and comfort, and a plush, open cell foam layer to accommodate unique facial features and create a perfect seal. Floating foam membrane eliminates eyeglass temple pressure. Ultra wide, silicone backed strap with QuickFit strap adjustment system and clip buckle provides easy onoff and superior helmet compatibility. Includes a convenient microfiber bag for easy, scratch free storage and transport.