Ray-Ban reinvents retro sophistication with the RB3757 Kai Bio-Based sunglasses. Featuring edgy gold sunglasses frames and a sleek oval sunglasses shape, this design offers timeless elegance with a modern twist. The bio-based nylon lenses in classic grey provide advanced Uva/Uvb protection while Ray-Ban's signature polarization eliminates glare and enhances visual clarity. Adjustable notepads sunglasses ensure a comfortable fit, making these lightweight polarized sunglasses as effortless as they are stylish.