The Bloc Sixty-Five Goggles features a dual vented spherical lens that offers a wider panoramic view with excellent peripheral field of vision. With magnets at ten contact points switching lenses couldn’t be easier, even on the move whilst wearing your goggles. This modern technology allows you to change your lens in seconds. The 10 rare earth magnets on the two dual vented spherical lenses that come with the Bloc Sixty-Five ensure the goggles can be quickly customized for optimal performance in almost any light conditions. With maximum UV protection and a dual adjustment strap for full helmet compatibility the Bloc Sixty-Five are a great value for money versatile snow goggle.Bloc Sixty-Five (Silver Mirror) Features:   Magnetic Interchangeable Lens System 10 Self-Locating Magnetic Connection Points 1 x Silver Mirror Cat 3 Lens 1 X All Weather Cat 2 Lens Dual Vented Spherical Lens Maximum UV Protection Helmet Compatible Dual Adjustment Strap Anti-Fog Lens