They say legends never die, and the Smith XC sunglasses might just be proof. With Smith's ChromaPop™ technology and flip-up lenses straight out of the 1983/84 collection, you'll style life on the slopes, oars and street. ChromaPop™ lenses enhance contrast and natural color to make the details pop. Flip-up lens design enhances ventilation and low-light visibility without having to remove and store sunnies. Smudge and moisture-resistant lens coating repels moisture, grease, and grime for easy cleaning and clear optics. Four-base lens curvature provides coverage and sun protection. Evolve™ bio-based frame material is lightweight and durable. Megol nose pads and temples, gently grips your skin to help keep the frame in place. The gripping power increases when introduced to moisture. AutoLock hinges hold frames open for easy one-hand on-and-off. Goggle inspired strap compatible temple tips prevent the tragedy of lost glasses. Smith archive collection fleece carrying pouch included. Smith XC Sunglasses