Smith Men's Lowdown Sunglasses. When you are trying to keep things on the down low, you'll need Smith's Lowdowns. These shades are made from Smith's eco-friendly Evolve material so you can look great while supporting the world around you too. When things heat up, you'll appreciate the hydrophilic nose and temple pads that keep these specs from sliding off your face, even when wet. Smith's amazingly impact-resistant Carbonic TLT lenses also feature an extra anti-scratch coating to keep these sunglasses looking and functioning their best.