The Anon M3 Goggles feature MAGNA-TECH® quick lens change technology, using powerful magnets to make lens changes easier than ever. The Asian fit features enhanced face foam that tapers to be 5-7mm thicker at the nose for improved fit. A low-profile cylindrical lens offers a wide field of view, while terrain defining PERCEIVE optics enhance contrast for a clear read on every feature, no matter the light. Full-perimeter vents plus moisture-wicking face foam provide fog-free clarity to anticipate every turn. They are over the glasses compatible and include a bonus PERCEIVE lens for cloudy conditions plus a microfiber bag for storage and lens cleaning.