The ASPENX | Anon M4S Goggles feature the same high-end performance as the ASPENX | Anon M4 Goggles in a frame scaled for medium-sized faces. 

Whether it’s flat light in Highland Bowl, afternoon shade on Little Nell, or light-filtering tree trails on Buttermilk, the ASPENX | Anon M4S 2.0 provides high-contrast vision and terrain-defining clarity in practically any light condition. Anon’s Perceive lenses provide excellent optics without distortion and a huge field of vision (the toric lenses curve both horizontally and vertically to mimic the shape of the human eye and provide better ventilation and peripheral vision).

Plus, full-perimeter vents maintain consistent airflow for fog-free clarity. To top it off, a hydrophobic and oleophobic coating provides unmatched smudge, scratch, and moisture resistance on the outer lens surface for clear vision and easy cleaning. Swap lenses easily with Anon's MAGNA-TECH® quick lens-change technology that uses powerful magnets for a seamless and secure lens-to-frame seal. Magnetic Face Mask Integration also uses a magnetic connection to quickly seal goggles and facemasks in a gapless setup that seals out the elements.

Features:

• 3 interchangeable lenses. 
• Unisex frame design.
• Wall-to-wall vision incorporates optimal optics in a low-profile frame that utilizes 40% thinner face foam for an ultra-close fit.
• Triple-layer face foam features two layers of foam, including a slightly denser layer closest to the face, and a layer of moisture-wicking fleece for a snug seal and comfortable fit.
• Lightweight, dual-molded PC-ABS/TPU frame combines a rigid outer frame that improves lens interface performance and rigidity with a soft and flexible inner frame that maintains a comfortable fit on the face.
• Fits medium and large faces.
• Helmet compatible.
• MFI® face mask, 2 bonus lenses, microfiber goggle bag, spare lens compression case and carrying case included. 
• Over-the-glasses compatible frame designed to accommodate prescription eyewear underneath the goggles.
• MFI® face mask, bonus lens, microfiber goggle bag, and lens compression case included.
• MAGNA-TECH® quick lens-change technology uses magnets for a seamless and secure lens-to-frame seal that makes for easy lens changes and unsurpassed lens retention.
• PERCEIVE lens provides high-contrast vision and terrain-defining clarity in just about any light condition.
• Toric-injected lens combines the best design characteristics for enhanced clarity and peripheral vision while maximizing the goggles' vent volume.
• A hydrophobic and oleophobic coating provides unmatched smudge, scratch, and moisture resistance on the outer lens surface for clear optics and easy cleaning.
• Integral Clarity Technology anti-fog exceeds basic anti-fog treatment standards, delivering crystal clear vision that lasts for an extended period of time.
• No-slip silicone strap keeps the goggles in place so riders can focus on the terrain.
• Full-perimeter vent channel maximizes airflow to bring fresh air in and move hot air and moisture out for clear vision.