cylindrical goggle with slim, women-specific fit, bonus lens and mfi® face mask . a wide field of vision, a slim, women-specific fit, a flat design and cylindrical lenses - these are the ingredients for anon's stylish wm3 goggle. goggles with the innovative magna-tech® feature magnets that allow you to change lenses in seconds.perceive optics improve contrast for clear vision in all light conditions and mfi® allows you to magnetically attach compatible neck warmers to the goggle for seamless protection from the elements. high-performance ventilation channels and moisture-wicking face foam ensure fog-free vision and round off the design of this high-quality goggle. and the icing on the cake: a second lens and an mfi® neckwarmer are already included in the scope of delivery.perceive sunny onyx lensthe anon perceive lenses provide strong contrast for terrain recognition and unmatched, clear vision in a wide range of conditions. the lenses also feature a scratch, smudge and water-resistant coating, as well as an anti-fog treatment.light transmission: 6 %bonus lens: perceive variable violetlight transmission: 34 %