Up your arsenal with the Oakley Half Jacket 2. 0 Prizm Replacement Lens. Giving you the best optical performance for where you need it most, the Prizm polycarbonate lens is polarized to reduce harsh glare and also maximizes contrast to give you a whole new way to look at the world. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.