The Show X3 features the Flyfree Interchange Lens System, allowing for quick lens transitions between bright sunlight and low-light conditions. The design enables users to flip, mount, and lock lenses for versatile performance. field tint for enhanced contrast and ball tracking max optics pro with hydro-oleophobic coating 4-base flat lens silicone wrapped nose pad and temples extra set of interchangeable lenses injected frame material derived from castor bean oil prescription-friendly