Green Collection PRIZM A Frame 2.0 Snow A-Frame 2.0 is a leaner & cleaner look that goes low profile to reduce weight & bulk & thats just the start. It is an icon-ic design with enhanced fit & performance. FRAMES: Flexible O Matter® chassis conforms to your face comfortably even in extreme cold Articulating O Matter® strap connections provide balanced fit with or without a helmet Sleek & compact frame design provides increased visibility & enhanced helmet compatibility Metallic icon accent dual surge vent ports for enhanced air circulation All-day comfort of triple-layer foam with moisture wicking polar fleece lining Matte textured inner frame surface for glare reduction 40mm wide adjustable strap with silicone lining for versatile secure fit LENS: Expanded lens volume for optimized peripheral vision Injection-molded Plutonite® lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nm Fog elimination through dual-vented lens with F3 Anti-Fog coating. Glare reduction & tuned light transmission of Iridium® lens coating (optional) Meets impact requirements based on ANSI Z87.1 & EN 1938:2010 standards