A fresh path from the trailblazers of style, this design inspired by influential athletes is shaped with a classic keyhole bridge and the curves of rounded lens orbitals, and w e engineered it with the convenience of an interior kick-up feature that lets you clip it to your shirt.Features:- Lightweight O Matter™ frame material with Square O metal icon accents- Clip hinge mechanism that enables the eyewear to latch onto your t-shirt to secure eyewear- 4 base lens geometry with HDO™- Available with Prizm™ lenses to enhance color, contrast and detail for an optimized experience- Polarized and Iridium™ lens options available- Available with Oakley Authentic Prescription Lenses: Power range +2.00 to -4.00Specifications:- Light Transmission: 17% - Contrast: Neutral Technology:High Definition Optics® Lenses:- Oakley’s patented High Definition Optics® (HDO®) eliminates distortion to give you clearer, sharper, and more accurate vision.