Whether you're running, rolling or sliding, a crisp view of the terrain translates to full-speed-ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain-defining ChromaPop™ optics for unobstructed, high-contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions. FEATURES: Vision: ChromaPop™ lenses enhance contrast and natural color to make the details pop Smudge and moisture-resistant coatings for easy cleaning and clear optics Interchangeable lenses Fit / Integration: Medium to large fit, large coverage 5-base cylindrical shield lens curvature Slight wraparound fit Megol temples and nose pads provide non-slip grip so glasses stay put Adjustable nose pads for a custom fit Frame: The high impact resistant TR90 nylon frame is durable, lightweight and flexible AutoLock hinges hold frames open for easy one-hand on and off