Combine performance and style for casual wear or outdoor excursions with Smith's Interlock Trace. Perfect for changing conditions, the temples rotate to pop open the frame and easily swap other lenses (included). These sweet, medium-fit glasses are made with an eco-friendly Evolve frame so you can look great and feel great about it, too. You'll appreciate the Spoiler's Carbonic TCT amazingly impact-resistant lenses that also feature an extra anti-scratch coating to keep them looking and functioning their best. They'll always stay put, too, with hydrophilic nose and temple pads that ensure a comfortable, non-slip fit.