Model: LSA-137 Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 50 21 142 Frame Materials: Titanium, Injected Frame Details: Titanium full rim chassis with coin edge detail Swaged round profile titanium temples Adjustable injected soft-touch anti-slip nose pads Adjustable soft-touch anti-slip temple tips with integrated accessory end-tip 100% UVA and UVB lens with anti-reflective and hydrophobic coating Lens: Any and all prescriptions can be filled at Good See Co. Land Lens - Contrasts reds, greens, and yellows. Full polarization and high contrast provide increased clarity, revealing vibrant colors, and optimal visibility while on land. Sea Lens - Contrasts reds and skin tones from blue backgrounds of the ocean and sky. Maximum polarization to reduce glare of the ocean and water environments. Air Lens - For high-altitude, open-air environments, and activities that require more clarity. Contrast reds from the blue and green from backgrounds. featuring no polarization for maximum contrast. Any and all prescriptions can be filled at Good See Co. Shipping: Occasionally Dita Lancier frames may have to be special ordered from the manufacturer and will take 2-4 days to arrive before shipping. Warranty: 1 Year Manufacturer Handmade in Japan