The Smith Phenom Snow Goggles pack superior technology, uncompromising design, and timeless style into the best fitting goggle ever. The Carbonic-X Lens with Tapered Lens Technlogy allows distortion-free rays to travel straight to your eye for accuracy and improved comfort. Patented Regulator Adjustable Lens Ventilation keeps you fog free. Helmet and Eyeglass Compatible. The Ignitor Mirror (35% VLT) Lens is a proprietary new universal lens tint designed to reduce eye fatigue while enhancing contrast and depth perception in all conditions. A versatile lens tint designed to be used all season long. 100% UVA/B/C Protection.