An ultra-thin frame of stainless steel inspired by our best-selling Metal Plate™ eyewear, Tin Cup™ goes upscale with sophistication that blends hints of iconic sculpture with the innovation and art of Hollowpoint™ hinges inspired by hubless motorcycle wheels. To learn more about Oakley Prescription frames, click here. • Constructed of strong, durable and flexible stainless steel • Screwless, hollow core hinge design • Contrasting interior color treatment • Unobtainium® earsocks for no-slip grip • Adjustable air filled comfort fit nosepads • Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment • Two sizes: 52/54 • Available with Oakley Authentic Prescription Lenses • Protective carrying case included