I have some of these...don't laugh, as corny as they are, they work extremely well. Nice weight, good build quality, spring-loaded and solid lenses.
Bought them as a gag and just to wear like shades b/c I liked how they looked, but now they are my favorite pair of safety lenses. Had them for about 2 years now.
http://www.maximumeyewear.com/produc...g-glasses.html