These Von Zipper Sunglasses - Kickstand - are a new series, with these particular glasses in tortoise frame with brozne lenses. Ride with 'em on your bike, while your skateboarding, bumping in your ride, wherever. They offer 100% UV protection, Base 8 impact resistant polycarbonate, spherical lenses, and to top that have, include a Nylon grilamid frame, and stainless steel optical hinges. These babies aren't going to bust anytime soon. Made tough by Von Zipper, available at EXIT real world.