Smith Lowdown 2 Polarized Sunglasses - The thing about classics is they slip across decades. The Lowdown 2 sunglasses could be from this season, next season, or 1962. The bio-based frames have soft rubber nose pads, so they don't slide down your face when you break a sweat. Features ChromaPop Glass polarized lenses cut glare and enhance color and contrast, and are highly scratch-resistant Carbonic lenses offer impact resistance and clear optics Smudge and moisture resistant coating for easy cleaning and clear optics (ChromaPop option only) Anti-reflective coating improves clarity and reduces eye strain (ChromaPop option only) 100% UV protection Medium fit, large coverage 4-base lens curvature is just right for everyday wear Megol nose pads provide non-slip grip so glasses stay put Evolve bio-based frame material is lightweight and durable AutoLock hinges hold frames open for easy one-hand on and off