Oakley OILDRUM is for those who define style through the art and technology of what they are waering. Olidrum boasts hard-edged lines and aggreesive geometry while offering unbeatable clarity through Oakley's HIGH DEFINITION OPTICS® (HDO®). The lightweight frame is made from O MATTER® for all-day comfort while the arms are controlled by the precision of dual cam hinges. Oakley OILDRUM makes a statement about the art of science.