Similar to the Smith Lowdown 2 sunglasses, the Smith Lowdown Slim 2 ChromaPop polarized sunglasses offer a clean fit and crisp optics but in a slimmed-down version perfect for smaller faces. The Megol nose pads feature a hydroleophobic coating to maintain a secure fit in wet and dry conditions alike. The Evolve frame material is light and durable while still being easy on the environment. The anti-reflective coating keeps your view clear when there's a bad glare, and the ChromaPop lens technology delivers high-performance optical clarity. Classic streamlined design for medium profile and coverage Anti-reflective and hydroleophobic lens coatings keep your view clear Polarized lenses offer 100% UV protection Equipped With ChromaPop Polarized ChromaPop Polarized lenses are optically tuned to give you visual comfort and impact protection with enhanced glare reduction, while also offering anti-reflective, water- and oil-resistant coatings, and 100% UV protection. Anti-Reflective (A/R) Coating Anti-Reflective coatings are vacuum-applied on the back side of the lens and will eliminate bothersome side light reflections. Evolve-eco Frames Evolve-eco frames are made of a material called Risan Clear. It is a lightweight and durable material. Most importantly it is environmentally conscious and is 53% bio-based. Megol Megol material is placed at the nose and or on the temple tips, Megol gently grips your skin to help keep the frame in place. The gripping power increases when introduced to moisture.