The ChromaPop™ Polarized lenses on the Smith Lake Shasta Sunglasses set you up with a glare cutting, color-boosting outlook for life at the beach, on the mountain or around town. Mixing a retro vibe with a timeless style, the Lake Shastas fit in everywhere. ChromaPop™ carbonic lens optimizes color and increases clarity, enabling you to see the outside world with an unparalleled level of vibrancy. The 6-base lens curvature, gives the Lake Shasta a slight curve but tends to be flatter relative to your face. Megol pads at the nose and temples, gently grip your skin to help keep the frame in place. The gripping power increases when introduced to moisture. Tough and light Evolve™ frames are constructed with over 50% bio-based materials. Auto-lock hinges hold frames open for easy one-hand on and off. Includes a microfiber carrying case that doubles as a cleaning cloth. Medium, modest wraparound fit with a medium coverage. Smith Lake Shasta Sunglasses