M5S: Designed to fit Anon M5S goggles Perceive Lens Technology: Perceive lens provides high-contrast vision and terrain-defining clarity in just about any light condition; A hydrophobic and oleophobic coating provides unmatched smudge, scratch, and moisture resistance on the outer lens surface for clear optics and easy cleaning. Flat Toric Lens: The Flat Toric Lens combines best properties of cylindrical and toric lens shapes for enhanced clarity, maximum peripheral vision and a fresh look. Magna-Tech: Magna-Tech® quick lens-change technology uses a magnetic interface for a seamless and secure lens-to-frame seal that makes for easy lens changes and unsurpassed lens retention. Anti-Fog: Integral Clarity Technology Anti-Fog exceeds industry anti-fog treatment standards, delivering crystal clear vision that lasts for an extended period of time. All Anon products are backed by a 1-year warranty from date of purchase. Anon offers an extensive selection of goggle lens options in various tints for adapting the Anon M5S goggles to any weather condition. These Anon M5S Toric Polarized Perceive goggle lenses feature high-contrast, terrain-defining optics for bright conditions with a scratch, smudge and water-resistant coating for unmatched clarity and an anti-fog treatment for crystal clear vision through a wide range of conditions. Anon M5S Toric Goggles + Bonus Lens + MFI Face Mask