The Spy Marshall Snow Goggles are a mid-large goggle custom built from a flexible polyurethane frame and features patented Scoop® ventilation system. Anti-fog 5.5-base ARC® Spherical dual-lens system with anti-scratch protection, triple-layer Isotron™ face foam with moisture-wicking Dri-Force™ fleece, silicone-ribbed strap, and is helmet compatible with the most popular helmets on the planet. Take the law into your own hands. Sometimes things are just right... This model comes with Happy Lens, SPY's color and contrast-enhancing lens with benefits. The Happy Bronze/Silver Mirror (12% VLT) Lens is best for bright sunny days. All Spy lenses offer 100% UVA/UVB/UVC protection.