Whether it's a championship on the line or your everyday life, give 100% with Glendale Sport Performance Cycling Sunglasses. The Glendale achieves the perfect balance of timeless styling melded with premium frame and lens technology that distinguished riders expect.These sunglasses have ultra-HD lenses manufactured from shatterproof and impact-resistant polycarbonate. The interchangeable lenses have a scratch-resistant lens coating of the highest quality. These sunglasses feature additional lens ventilation to aid against fogging. The Hydrophobic and Oleophobic lens treatment repels water, dirt, and oil. These mountain bike glasses feature 5.5-base cylindrical shield lens for increased peripheral view. These sport sunglasses are designed with a durable, flexible, and lightweight TR90 frame as well as adjustable temple tips. The ultra-grip rubber nose and temple tips provide a tight fit. These sports sunglasses come with a vintage style hard case, microfiber cleaning bag, replacement lens, and extra alternative fit nose pad. These glasses are also available with contrast-defining HiPER lens.The 100% brand has always been synonymous with motocross Americana and has been linked to many iconic moments that have built the roots and history of modern motocross. The roots of the 100% brand date back to the early 1980's when the popular logo graced the factory racing equipment of the biggest names in motocross. 100% is the world leader in goggles for motocross and mountain biking.Today, as the brand's awareness grows again in motocross, on downhill slopes, and BMX tracks, 100% is inspiring a whole new generation of racers. So the only question that's left to ask is how much effort do you give.