Sunwise® Interchangeables have a variety of durable, lightweight, comfortable, secure-wearing models and are proven best sellers. Sunwise design stylish and functional sports sunglasses, perfect for running on a sunny day. The Windrush model includes three extra sets of high definition, lightweight and shatterproof polycarbonate lenses, to ensure the very best visibility whatever the light conditions. Wider lens coverage provides further protection to your eyes from sunlight, wind, sand and flying objects.Features: Interchangeable lenses for all weather conditions 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 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 British Designed.