The Oakley SI Turbine™ PRIZM™ Tungsten Polarized cranks up the active look along with clean lines with durability and performance. Plutonite® Lens filters  out 100% of all UVA, UVB, UVC PRIZM™ is a revolutionary lens technology that fine-tunes vision for specific sports and environments O-Matter™  frame material is lightweight yet highly durable Matte Brown Tortoise Frame High Definition Optics®  is a collection of patented technologies that allow for optical clarity, visual fidelity, and impact resistance Polarized to reduce glare Oakley SI Turbine™ PRIZM™ Polarized Tortoise Glasses OO9263-33