When you've been charging chutes all day long it can be hard to keep blinking that sweat away every five-and-a-half seconds. So check ou the Smith Prophecy Turbo Fan Goggles--eyeglass and O.D.S.-compatible, they provide you with superior ventilation. The Turbo Fan moves at super-speed to keep your vision clear and your eyes cool, running for over fifty hours on a single AAA battery. Plus, these lenses feature a floating foam membrane to keep them fitting comfortably over your glasses so you can avoid those permanent temple indents.