Dragon X1 Split (+Bonus Lens)The X1 goggle by Dragon has some great functional features. The armored venting makes clearing snow packed vents a snap. With improved attachment points for secure fit, this system is ready for any conditions. With the silicone strap backing you’ll get more integrated feel, increased secure fit, and improved ease of use. The triple foam with hypoallergenic micro fleece lining provides soft hypoallergenic moisture wicking contact with your face. Its stylish frameless technology makes you want to wear these glasses all day long. Green Ion Glare reducing metal coatings offer a cool spin on the superior protective qualities of our lenses. Best for bright sunny conditions by adding definition and cutting glare.Filter category: 4Transmittance of visible light: 13% - 15%Amber This brown tinted lens is the perfect choice for those who need clearer contrast and enhanced depth perception. Best for variable cloudy to bright conditions by adding definition and cutting glare.Filter category: 2Transmittance of visible light: 35 %FeaturesPatented Frameless TechnologyOptically Correct 6 Base Injected Spherical LensSuper Anti-FogArmored Venting100 % UV ProtectionTriple Foam with Hypoallergenic Micro Fleece LiningSilicone Strap BackingHelmet Compatible