QUICK CHANGE LENS SYSTEM - This elegant new lens interchange system uses self-locating magnets to assist in lightning-fast lens replacement. Four snap pins keep the lens securely locked in place. VIVID LENS TECHNOLOGY with Optics by ZEISS - VIVID is a patented lens technology developed by Giro in partnership with Zeiss. VIVID improves the visual experience on snow by enhancing contrast and definition. VIVID Lens Technology effectively manipulates blue light by letting in contrast enhancing blue light, while blocking harmful UV light. Vivid essentially filters out the haze and frees your eyes to sport your line and focus on enjoying your riding/skiing experience. EVAK VENT TECHNOLOGY - EVAK vents minimize the chance of fogging by releasing moisture while simultaneously creating a barrier from the elements. EVAK Vent Tech uses a new foam made from an ultra-durable, non-absorbent material. EXV FRAMELESS DESIGN - with a quick Change magnetic-assisted lens interchange system INCLUDES - Giro Axis Ski Goggles with Black Mono Strap, Vivid Ember Lens (35% VLT - Mixed Clouds), and Vivid Infrared Lens (58% VLT- Overcast/Storm) Four self-locating magnets assist in lightning-fast lens replacement while four snap pins keep the lens securely locked in place. Meanwhile, the medium fit accommodates a wide range of face shapes while boasting an impressively wide EXV field of view. The Axis also includes two of the best lenses in the business, premium VIVID lenses with Optics by ZEISS. Included is one sun/all-conditions lens and one Infrared storm/low-light lens, so you're always ready when the conditions change.