Smith lenses use only the highest quality Japanese polarized film for the truest color, object definition, and glare reduction. They combine it with both Techlite Glass and Carbonis Lens materials to give you the potions and optical performance you need to succeed. Large coverage in conjunction with Smith's premium Polarized and Polarchromic Techlite Glass lens options make the Chamber an ideal choice for trolling the inland empire or scouting your favorite spring-fed creek.