The amount of downforce created by the wings or spoilers on a car is dependent primarily on two things: 1  The shape, including surface area, aspect ratio and cross-section of the device, and. 2  The device's orientation (or angle of attack).
Without a doubt, Oakley did their homework on the Prizm line. Per Drew Wallace, Product Manager with Oakley Defense, Oakley SI developed the Prizm lenses (both the TR22 and the TR45) in conjunction with the Army Marksmanship Unit, which is a group of people who know what they want and get it.
To market his new sunglasses, Jannard and his salespeople handed out many pairs to top athletes in the late 1980s and early 1990s. At one golf tournament, they gave a pair to basketball star (and golfer) Michael Jordan, who became a regular wearer of Oakley sunglasses.