Think back to 9th grade when you learned about geometry. During all that time studying acute, obtuse, and complementary angles, your teacher never once mentioned the Spy Balboa Sunglasses, which seems like unadulterated craziness, since the Balboa's an exercise in bold, angular design. Of course, Arc polycarbonate lenses, stainless steel hinges, and tough propionate frames don't really have much to do with math class, but there must have been a way to work full UV protection into one of those convoluted problems. Right?
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.