The original Line Miner goggle was created with the purpose of providing the ultimate in peripheral vision, with a cylindrical-style design. We were able to pull the goggle in closer to your face than ever before, allowing for incredible downward and side-to-side periphery. With a mid-sized fit, Line Miner M is optimized for a wide variety of faces and is engineered to fit perfectly with most helmets.PRIZM™ SNOW: Oakley's exclusive lens technology designed to enhance color and contrast so you can see more detail.Features:- Available in Prizm™ Lens Technology options- Fit: Medium- Microbag included for storage and lens cleaning- Discreet frame notches at temples provide compatibility with most prescription eyewear- Wide 4mm wide adjustable strap with silicone lining for a more secure fit- Flexible O Matter® chassis conforms to your face comfortably, even in extreme cold- Low-profile frame design provides increased visibility and improved helmet compatibility- All-day comfort of triple-layer face foam with moisture wicking polar fleece lining- Injection-molded Plutonite® lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nm- Optically correct Dual Lens with F3 Anti-fog coating- Glare reduction and tuned light transmission of Iridium® lens coating (optional)Specifications:- Light Transmission: 17%- Contrast: Increased- Information notice: 3