Austin Sports Sunglasses with Interchangeable Lenses - 3 Colours + RX Insert

Frame Colour: Black, Blue or White frame with black features Lens Type: Interchangeable Polycarbonate Lens Colour: Smoke mirror, orange, and yellow lenses * RX insert included for easy prescription addition at your optician * Flip up visor * Interchangeable lenses for all weather conditions * Yellow lenses (category 1) for low light. * Orange lenses (category 2) for medium light. * Smoke mirror lenses (category 3) for strong light.   * Light and comfortable * Durable and secure  * Water resistant * Impact resistant * High optical clarity * Wrap-Around Style * 100% protection against harmful ultraviolet rays (UVA&UVB) * The polycarbonate frames are lightweight, robust, durable and flexible * Adjustable nose pads and sleeves for maximum comfort and a secure fit * Flat arms profile – perfect for wearing under a cap or helmet * British Designed.