[ZERO TECH BASE] In-house made interchangeable lenses for Oakley FALL LINE XL goggles for skiing and snowboardingOur original brand products. Interchangeable lenses compatible with OAKLEY goggle frames. Standard features include ultraviolet (UV) protection, hard coat, water repellent coat, and anti fog coat. In addition, this is a high spec lens with prism correction, which is not normally available in cheaper lenses. Of course, it will be a double lens.