The Nike Expert is an 8 base unisex sunglass that offers clear and precise visuals with the use of Nike Max Optics. The rubber inlay at the nose offers optimal comfort and fit. With 100 percent UVA and UVB protection, the Nike Expert is an ideal multi-sport sunglass. Nike Max Optics Lens Technology-Precise visual information at all angles of view. 8 Base frame design. Lightweight Injected Nylon Frame for comfort, flexibility, and durability. Integrated nose pad for comfort and fit.