Product Description Technical Information:Type:framelessLens Width:139 mmLens Height:56.3 mmArm Length:125 mm Features:large-format glasses without frames for top sporting performanceconstruction optimised for sport with larger protection area, wider field of vision, secure frame hold and impact protectionPrizm™ lens for stronger contrasts and better ambient perceptionlens in PhysioMorphic geometry design for extended coverage and stiffness, mimics the structural properties of a framelightweight durable O-Matter® templesnon-slip temple ends and nose pads made of Unobtainium® provide good hold and lasting comfortventilated design for optimal airflowTechnology:Frame: O Matter® This ultra-lightweight synthetic material is specifically engineered to provide all-day comfort, cushioning and durability against relentless environmental extremes. Unobtainium® The nose pad and temples provide a non-slip grip when sweating, so your glasses don't slip and fit comfortably. Lenses: Prizm The glasses are equipped with Prizm lenses. This technology is a revolution in glass optics based on decades of research in colour science. Prizm lenses maximise contrast and improve visibility. Fine-tuning the individual wavelengths makes colours look better and more optimised, revealing nuances that the naked eye cannot see. Models:matte black / prizm road: Frame Colour:blackLenses:purple, red, orangeFilter Category:2Transparency:20%Manufacturer Number:OO9235-0239 matte black / prizm sapphire: Frame Colour:blackLenses:green, blue, purpleFilter Category:3Transparency:12%Manufacturer Number:OO9235-0539 matt carbon / prizm 24k: Frame Colour:blackLenses:orange-yellowFilter Category:3Transparency:11%Manufacturer Number:OO9235-0639 matte onyx / prizm trail torch: Frame Colour:blackLenses:redFilter Category:2Transparency:35%Manufacturer Number:OO9235-0839Safety Information:Not intended for direct viewing of the sun. Cleaning and Care:To preserve Oakley's High Definition Optics lenses, an electrostatic Microbag is included for cleaning and storage. Wash the Microbag regularly by hand and let it air dry. Contents:1 x 1 x storage pouch Manufacturer: Luxottica Germany GmbH Werner-von-Siemens-Ring 14 85630 Grasbrunn Germany info@de.luxottica.com