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 youth-sized fit, Line Miner Youth is optimized for a wide variety of faces and is engineered to fit perfectly with most helmets.Technology:Prizm™ Snow:- Oakley’s exclusive lens technology designed to enhance color and contrast so you can see more detail.Take Care Of Your Lenses:- To help maintain the High Definition Optics® (HDO®) of Oakley lenses, your new eyewear comes with a specially-woven electrostatic Microclear™ bag for cleaning and storage. Using it will preserve the superior optical quality of Oakley’s pure Plutonite® lenses. Hand wash and air-dry the Microclear™ bag regularly.