With its oak detailed frames and iridescent blue lenses, Black Oak will surely become your go to frame for day to day activities. Whether you're out at sea fishing, climbing cliffs or just having a cold one on the boat, you won't go wrong with  these glare-free shades with UV400 protection. The frame is made from resilient and flexible BPA free Polycarbonate. These sunglasses are the best day to day pair.