Keep your eyes safe during sunny days with the Revo Genesis Sunglasses. The lightweight frame design features magnets to keep lenses secure, and the polarized NASA lens technology ensures a clear view by minimizing glare and filtering reflected light. The EasySwap™ Interchangeable Technology offers adjustable lenses to change between light adaptive photochromic to monocolor Serilium+ lenses for a clear viewing, and the photochromic lens material offers additional protection from the sun's damaging rays.