KEY FEATURES MAGNA TECH quick lens technology allows you to quickly swap between lenses even without removing the goggle from your face PERCEIVE technology gives the lens enhanced contrast making it easy to read snow texture allowing you to quickly and easily pick the perfect line Choice of lenses let you pick the tint that best suits conditions Simply put the Anon M4 Toric Goggles give you nothing but the best because your gear shouldnt hold you back no matter the conditions Equipped with MAGNA TECH technology you can choose between two included lens tints to ensure your vision is tailor matched to the weather But if the clouds roll in or out while youre on the mountain you can easily swap to the other lens without even taking the goggles off MAGNA TECH really is that good Plus theres MFI which also uses magnets but this time they are there to hold the included MFI facemask in place with no gaps and no fogging issues SPECSFit MediumMain Lens Light Conditions Partly SunnySpare Lens Light Conditions Low LightLens Type SphericalMain Lens VLT pct 21Spare Lens VLT pct 53FEATURESVentingSpare lens includedQuick Change LensesHelmet CompatibleHypoallergenic Face FoamUV ProtectionMoisture Wicking Face FoamAnti Fog CoatingNo Slip Strap