Unisex Design: Fits medium and large faces. Bonus lens and lens compression case included. 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. Polarized: Polarized lenses restrict light to pass in one direction, reducing glare for crisp and clear vision in bright conditions. Flat Toric Lens: The Flat Toric Lens combines best properties of cylindrical and toric lens shapes for enhanced clarity, maximum peripheral vision, and a clean look. Anti-Fog: Integral Clarity Technology Anti-Fog exceeds basic 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. The Anon M5 Goggles offer the wide field of view and enhanced peripheral vision of a flat toric lens with a slightly narrower frame and a clean, modern shape. Our innovative Magna-Tech® quick lens-change technology uses powerful magnets to make lens changes easier than ever when you want to switch out lenses. This edition of the M5 includes a polarized Perceive optics lens for high-contrast, terrain-defining clarity in bright conditions. Our best anti-fog treatment offers crystal-clear vision through a wide range of conditions. Magnetic Face Mask Integration (MFI®) provides seamless face mask attachment. Anon M5 Toric Goggles + Bonus Lens