From Von Zipper's Wildlife collection, the Kickstand is a new frame. Use it and prop up your mood. These sunglasses are part of the Von Zipper line of "Shift Into Neutral" sunglasses (S.I.N.).Designed in California, VZ offers a lifetime guarantee against manufacturer's defects. All VZ lenses provide 100% UVA and UVB protection, are distortion free, optically correct and shatter resistant.