Description of Smith Anthem Goggles - White / RC36 - Women's By design the Smith Anthem snow goggle is women’s specific conforming naturally to female facial features. Its spherical, Carbonic X RC36 lens with TLT Optics straightens light as it passes through the lens bringing you 100% distortion free vision and increases depth perception and contrast in all conditions. With its patented Vaporator anti-fog lens technology bringing and end to fog you can be sure to see as far as can be. Smith’s RC36 lens increases depth perception and cuts glare in all conditions. Features: Spherical, Carbonic-X lens with TLT Optics Patented Vaporator lens technology with Porex filter Medium fit Articulating Outrigger Positioning System Helmet Compatible Custom painted frame