Features of the Smith Lowdown 2 Sunglasses Anti-reflective and hydroleophobic lens coatings ChromaPop lenses Medium-large Fit/coverage Hydrophilic megol nose pads for a secure Fit Auto-lock hinges 4 Base lens curvature FRAME: Evolve frame material Contemporary adaptation of the classic Smith frame Lowdown 2 keeps a familiar silhouette with a new take on surface design and an updated flatter 4-base facefront Performance is wrapped in a lifestyle look with lightweight frame No-slip megol nose pads and innovative ChromaPop lenses to enhance all the detail while checking the break or exploring a new zone