Shield frame shape with medium fit/medium coverage and 7x4 Toric lens Curvature. 125mm Lens width x adjustable nose width x 120mm Temple length Chroma pop Carbonic - our ChromaPop lenses are optically tuned to give you visual comfort and impact protection while also offering water and oil resistant coatings and 100% UV protection. Chroma pop filters specific wavelengths of light that cause color confusion, to deliver greater definition, natural color, and unmatched clarity with 100% UV protection in any lighting conditions. Change is easy with the Smith Mag quick release system. Caravan mag adds another level of versatility for fast ChromaPop lens swapping, giving users the flexibility to adapt their sunglasses for a variety of lighting conditions. Hydrophilic Megol temples & nosepads for a secure fit. Placed at the nose and on the temple tips, Megol gently grips your skin to help keep the frame in place. The gripping power increases when introduced to moisture.