Lightweight, contemporary, and performance driven, Smith's Parallel Sunglasses feature interchangeable lenses for changing light conditions.Medium fit; medium coverage; 9 base curve provides maximum amount of wrap around your face. Polarized Gold Mirror lenses (brown with gold mirror) for bright sun conditions—provide strong contrast in bright conditions. 14% VLT (Visible Light Transmission): the smaller the number, the darker the lens. Lenses provide 100% protection from harmful UVA/B/C rays. Polarized lenses reduce glare from snow, water, asphalt; provide truest color and object definition; reduce eye fatigue. Scratch- and impact-resistant Carbonic TLT lenses are optically corrected to maximize visual clarity and object definition—ideal for sport and casual use. Tapered LensTechnology (TLT) ensures distortion-free vision through a curved lens. Hydroleophobic lens coating repels moisture, grease, and grime. Evolve frame—durable, lightweight, fully transparent (Rilsan Clear material made from renewable castor plants; over 53% bio-based). Hydrophilic Megol nose and temple pads grip your skin to help keep the frame in place; gripping power increases when introduced to moisture. Includes interchangeable Ignitor and Clear lenses:~ Ignitor lenses for medium to overcast conditions with 32% VLT and 100% protection from harmful UVA/B/C rays; maximize an object’s definition and enhance depth perception~ Clear lenses for dark and low-light conditions with 98% VLT and 100% protection from harmful UVA/B/C rays