The Anon Helix Goggles offer the terrain-defining clarity of our Perceive lens with the wide field of view and low-profile design of a cylindrical lens. Full-perimeter venting and our best anti-fog treatment maintain sharp optics through a wide range of temps and weather conditions. They include a bonus lens so you can choose the best tint for the conditions. They are over the glasses compatible and include a microfiber bag for storage and lens cleaning.