The Spy Beachwood Happy Lens Sunglasses are easy on the eyes in more ways than one thanks to classic looks and the innovative Happy Lenses. In addition to providing better contrast, color enhancement, and reduced eye fatigue, the Happy Lenses filter out "bad" short-wave blue light and UV rays to uplift your mood and alertness. 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.