The large modern styled Enigma frame offers a huge field of vision and protection. With an adjustable nose piece and temple tips, it tailors to fit all face shapes and stays firmly in place when you're rattling along any technical terrain.The 1-3 category photochromic lens quickly darkens when the sun shines, ideal in varying conditionsPerformance polycarbonate lenses give great optical clarity along with full UVA and UVB protectionThe durable polycarbonate lens is both impact and scratch resistantA fully adjustable nose piece allows you to dial in the perfect fit, pushing the lens away from the face for extra venting if desiredThe high quality TR90 frames have been developed to work seamlessly with your helmet for maximum comfortThe soft adjustable temple tips can be tuned to work around your helmet retention system, and grip your head firmly so they don't move when you're riding technical terrainIncludes a soft case for lens protection on the moveFull UVA and UVB protectionAn optional RX insert is available for prescription lensesLimited lifetime warranty