Nearly brand new- worn once. Perfect condition. The year was 1991. The Internet was in its infancy, grunge was in style and adventurers of the day wore Smith Mono Lake sunglasses. Revived from our archives, they're back in action serving up everyday retro flavor with crisper optics than ever before. ChromaPop™ lens technology boosts color and detail, while non-slip nose pads keep them in place on hot days. Product Details Vision ChromaPop™ lenses enhance contrast and natural color to make the details pop ChromaPop™ polarized lenses cut glare and enhance color and contrast Smudge and moisture resistant coating for easy cleaning and clear optics Fit / Integration Medium fit, large coverage 6-base lens curvature Modest wraparound fit Megol nose pads provide non-slip grip so glasses stay put Adjustable corewire for a customized fit Frame Evolve™ bio-based frame material is lightweight and durable