All the sunglasses on the SmartBuyGlasses website are 100% authentic with original packaging and certificates. Plus, with a 2 year warranty, you're guaranteed that your stylish new sunglasses will be with you year after year. The stylish O'Neill O Neill SHAKA RX sunglasses are made with the finest materials and superior craftsmanship, plus with the mix of a Matte Wood Print frame and Grey lenses you're sure to wear these sunnies for years to come.SmartBuyGlasses is not affiliated with nor an official re-seller for Maui Jim and therefore we provide our own comprehensive 24 month warranty, as Maui Jim do not support their own 24 month warranty with us.