Duduma Polarized Sports Sunglasses for Running Cycling Fishing Golf Tr636 Flexible Superlight Frame DUDUMA TOP-END TECHNOLOGY: Duduma is not just another pair of sunglasses, but an essential part of sports equipment. Every moment counts, and a small detail can have a big impact in sports especially on the toughest occasions. Duduma top-end technology on lens and frame delivers highly durable and flexible solutions for maximum performance. DUDUMA UNIQUE DESIGN: Duduma Tr636 design combines ergonomic features with advanced materials to create a super-lightweight, versatile and powerful product; follows the latest style trends creating exciting and unique looks, offers a timeless model that combines great sports styling with exceptional quality, performance and comfort, protect eyes with highly durable wrap-around lens andflexible frame. DUDUMA POLARIZED LENSES: Duduma 100% polycarbonate polarized UV protection lens material filters out 100% of UVA / UVB / UVC & harmful blue light up to 400nm. By doing this the lens delivers greater definition, more natural color, and unmatched clarity to allow you to see more details; provides razor-sharp vision at every angle, drastically reduces the brightness of shiny surfaces, reduces eye strain and reflections, insures optical clarity, visual fidelity and impact resistance. ULTRA-LIGHTWEIGHT&OPTIMUM FIT FOR SPORTS: Duduma frame creates a fully-customized fit and a perfect grip. While the lightweight design fit comfortable on face, the specially designed strong legs provide strong sense of safety and hold perfect in sports, which enables it ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. LIFETIME BREAKAGE WARRANTY&30 DAY MONEY BACK GUARANTEE: In case any broken problem happens, contact the seller of Duduma without hesitation to solve the problem until satisfaction. Duduma provides lifetime after sale service for all Duduma products. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try.