The New Balance NBS077-2S is a stunning performance sunglass designed to fit comfortably on most people. Constructed from lightweight polycarbonate in clear crystal, the sunglass features a polarized brown lens. Ideal for running, hiking, fishing, racquet and water sports, the lens offers superior glare protection, has scratch and impact resistance. Frame: Constructed from Polycarbonate, the NBS077-2S is lightweight, comfortable and durable. The frame features soft grey rubber nosepads and temple tips for added grip and non-slip comfort. The keyhole bridge ensures proper fit and comfort for the wearer for all activities. The performance design makes the frame suitable for virtually every face shape. The frame features a strong durable hinge for added comfort and includes a stylish keyhole bridge design. Lens: The brown polarized lens enhances contrast for the wearer and offers 100% UVA/UVB Protection. The brown lens is polarized, has scratch and impact resistance, and has an Anti-Fog treatment to reduce the chance of fogging up. Polarized lenses greatly reduce reflected glare from water, snow and pavement surfaces. This product is covered by the Sam's Club Member Satisfaction Guarantee.