Oakley Holbrook XL sunglasses feature a durable yet lightweight O Matter™ frame that helps ensure all-day comfort, while Prizm™ Lens technology improves color and contrast in a variety of environments and activities. * sun filter category 3 * O Matter™ frame material - the material is ultra light, very flexible and the patent holder for its production and use is exclusively owned by Oakley. The O Matter™ material is resistant to thermal shocks, ultraviolet radiation and increased exposure to the sun or cold. * Prizm™ lens - is a revolution in vision. Decades of scientific research has resulted in Prizm™ Lenses providing unprecedented control of light transmission due to precise color tuning. They maximize contrast and improve visibility. * impact protection tested under extreme conditions * UV protection: 100% up to 400 nm * light transmission: 13%, contrast: increased, lighting conditions: bright light * mirror visor * cloth cover included * made in USA * Oakley lifestyle glasses * branded Oakley glasses * Oakley sunglasses