The Anon Sync combines the simplicity of quick and easy lens changes with the excellent vision from PERCEIVE optics in a Medium frame shape. The Sync's M-Fusion Latch Lens change is simple and quick, letting you stich lenses on the fly when conditions demand. Compatible with MFI® accessories so you can dial in your style and comfort with ease. MFI® Technology (Magnetic Facemask Integration) creates a perfect seal between the supplied facemask and your goggles. This seamless integration reduces goggle fog when you cover up, and blocks the elements from slamming in to your face. Anon's M-Fusion Latch Lens Change Technology combines fast lens alignment with a magnetic latch for quick and simple lens changes. Features PERCEIVE Lenses Medium Fit OTG Compatible Triple Layer Face Foam M-Fusion Latch Lens Change Technology MFI® Technology (Magnetic Facemask Integration Anon Sync Ski Goggles