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-sizedt, Line Miner M is optimized for a wide variety of faces and is engineered tot perfectly with most helmets. Available in PrizmLens Technology options 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 / U