Smith Momentum Sunglasses Gaining Momentum Sunglasses provide much more than just sun protection. They also protect your eyes from bugs, water, dust, and other debris that you'll encounter while you're riding. The Smith Momentum Sunglasses have a half-frame design that provides maximum peripheral vision and crisp visuals of contrast and color-boosting Chroma Pop for a terrain-defining view. Whether blasting through the trees or rolling in the open, the two-position nose pad and adjustable, core wire/ temples keep them secure at any pace. Interchangeable lenses let you pick the right tint for the day. These glasses feature a smudge and moisture-resistant coating for easy cleaning and clear optics, interchangeable lenses, Megol temples and nose pads for a non-slip grip, and adjustable nose pads/temples for a custom fit. Features Evolve bio-based frame that is durable, lightweight, and flexible Chroma Pop lenses enhance contrast and natural color to make the details pop Megol temples and nose pads provide a non-slip grip so glasses stay put Specifications Frame Material Evolve Bio-Based Frame Material Lens Material Polycarbonate Lenses Included Daytime/Clear Adjustable Ear/Nose Pieces Adjustable Nose/Temples Case Included Microfiber Pouch, Hard Case | Smith | Momentum Sunglasses Men's In Matte Bone/chromapop Black Gold Mirror Lens