Oakley SI GasCan Sunglasses - In 2005, Oakley's GasCan sunglasses were created and with them, a new era of lifestyle shades that also retained performance functionality. These revolutionary frames introduced Oakley's Twin Toric lens technology and were so new, fresh and original, that Oakley modified their logo to better fit the frame. GasCan comes standard with lightweight, durable O Matter, a high-wrap style, and feature straight edges and hard lines. Features Lightweight and Durable O Matter Frame Oakley Twin Toric Lens Technology with HDO Three-Point Fit Designed for Comfort and to Keep Your Eyewear in Place Available with PRIZM Lenses Designed to Enhance Color, Contrast and Detail Polarized and Iridium Lens Options Available