Active Sunglasses have a revolutionary style, with a unique, innovative and fun design. The secret lies in the frame that has a special nose bridge with hinge and in the temples with silicone-coated metal springs. “Active Sunglasses” roll-up sunglasses are the first sunglasses in the world to “grip” your head so they don't fall off, and also bend around your wrist, ankle, bicycle handlebars, car steering wheel or anything else. Active Sunglasses are the perfect accessory for the active lifestyle and the practice of any sport, forget that they fall both on and when carrying them, with their clip-on temple system the glasses will be 100% safe. They are sturdy and lightweight at the same time. The lenses are polarized and UV400 rated, which blocks 100% of harmful UV rays.