The Matte Black Frame Polarised Fishing Sunglasses are available with two different lens options, the first option is a brown lens that offers a high level of contrast definition that is effective in a variety of light conditions. The second option comes with a brown fire lens that features Fortis exclusive XBlok Technology. This is a reflective surface coating that offers additional glare block. This enhances your vision and offers a high level of contrast allowing you to spot fish with ease and precision in all light conditions. The Fortis Bays also come equipped with a branded protective case and micro fibre cleaning cloth to keep your glasses gleaming all the time!