The Anon Sync Goggles offer the terrain-defining clarity of Perceive optics and the convenience of our M-Fusion magnetic latch system to secure and guide lenses into place. Full-perimeter venting ensures maximum airflow for a clear, fog-free view in all conditions. They are over the glass compatible for wearing with eyeglasses and include a bonus lens for cloudy conditions, an MFI face mask, plus a microfiber bag for storage and lens cleaning.