Protect your eyes while biking, running, or lounging by the pool with Hydra Polarized Sunglasses by Serfas. These sporty sunglasses feature polycarbonate lenses which block 100% of harmful UVA and UVB rays. With polarized technology, you know that your eyes will not have to endure the damage caused by the sun. Its frame is a grliamid composite with rubber temple inserts for added comfort. Each pair of Serfas Hydra sunglasses comes in an EVA hard case with micro-fiber bag.