Sunwise Waterloo Sunglasses offer highly efficient light-reacting polarised protective lenses with vivid colour contrast and will keep your eyes protected against medium to strong sunlight. The wearer will benefit from optimum visual protection and clear vision. The light transmittance changes progressively when responding to the strength of sunlight (UV) from medium to strong and back again, enhancing visual performance in varying light-changing conditions. Wider lens coverage provides further protection for your eyes against sunlight, wind, sand and flying objects.Features Light-reacting photochromic lenses Sun Category: 1-3 from low to strong light. Advanced Anti-Fog Technology Water and oil repellent Impact resistant Colour stability over long periods of wearing 100% protection against harmful ultraviolet rays (UVA&UVB) Interchangeable options The polycarbonate frames are lightweight, robust, durable and flexible Wrap-around lenses give greater protection Rubber nose pads and sleeves for maximum comfort and a secure fit Flat arms profile – perfect for wearing under a cap or helmet Made in Great Britain