Check out these tinted contact lenses from Nike Vision.  They give you the advantage of sunglasses without the glare, fogging or frame obstruction.  On one hand these seem super futuristic, and on the other hand I can't help but wonder what took them so long?.  Available in prescription or non prescription variations, Nike claims that in addition to providing distortion free optics, these lenses also enhance your sense of contrast and make details appear clearer.    Plus they cover the entire pupil giving a green or amber glow around the eye which makes you look totally bad-ass.  What more could an athlete want? (Found through one of my favorite new blogs, Colour Lovers)