| Editor Reviews: Product Description: Technological advances aren't reserved for lenses alone. For 2006, Serengeti is offering an exclusive line of S-Flex frame styles. The S shaped temple design, working with the strength of monel and beta titanium, provides a double action movement without using a traditional spring hinge. This unique design provides just the right amount of tension to ensure a comfortable, secure fit that is remakably lighweight and durable. + Read more.... |  |