When high performance is important for your fishing, you can rely on the components of the X-Series. These polarized sunglasses are designed to be out on the water all day. With polycarbonate lenses and a TPE (thermoplastic elastomer) frame, these glasses are durable and easy to wear. The X1 has rubber in the temples and nose pads for increased comfort in the right places. Together with the flexible material in the frame, this makes the X1 our most flexible model.