The Sunwise® Austin Sports Sunglasses offer a slender and comfortable wrap-around frame with a Flip up visor that are lightweight, robust, durable and flexible making them perfect for a wide range of sports. The Austin's also come with 4 sets of easily interchangeable polycarbonate lenses for low, medium and strong sunlight and offer 100% protection against harmful ultraviolet rays (UVA&UVB), so that you can remain protected all year round. As part of the Sunwise® RX range the Austin comes with prescription inserts already fitted on the frame for those who require a prescription from their sunglasses. Product Features: • RX insert included for easy prescription addition at your optician • Flip up visor • Available in 3 colours: Black, Blue & White • Interchangeable Polycarbonate lenses for all weather conditions • Clear lenses (category 0) • 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) • 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.