113379BBI000 Features: O-Matter frame material is lightweight and durable; nose and ear grips use Unobtainium which anchors your glasses remarkably well, even on sweaty rides, bumpy runs and on oily faces Optional semi-reflective Iridium lens coatings allow the wearer to tune transmission for any light condition High Definition Optics (HDO) treatment and materials to help you see clearer and sharper, and the HDO technology offers the greatest focal-point clarity Engineered to fit medium faces Iridium lenses have Oakley's mirror coating that's designed to reduce glare and increase contrast; it's far more durable than other mirror coatings because it is baked on at the molecular level Specifications: Lens material: Plutonite polycarbonate Frame material: O Matter plastic Polarization: Lens dependent UV- UVB- UVC Protection: 100%- 100%- 100%