Fox Sunglasses : Fox The Study Polished Black-Gray Polarized Sunglasses - School the crowds in style with these smart The Study polarized shades by Fox! Lightweight & stress resistant O-Matter frame. Polarized lenses provide superior clarity, performance & durability. Fox C-5 metal inlayed logo plate. Twin toric lens configuration. HDO optics technology- maintains optical correction for refractive power, optical clarity and prismatic power. Comes packaged in a Fox carry sock that doubles as a lens cleaner.