From a unique and exclusive technology in the eyewear industry, EasyTwist frames are made from an extremely light and anallergic tri-metal alloy. The result: they memorize their original form even in the case of extreme deformation at nearly 360 degrees, resists very well to knocks (bending, blows, and falls) and are very durable. Moreover, gone are the days of rushed visits to your optician to have your eyeglasses adjusted. With the EasyTwist technology, your glasses remain perfectly adjusted. The most twistable glasses in the world.