Oak in Irish is Darach! So could we name these sunnies anything other than the material the frames are made from! We Love the Oak frames so much! All sunglasses include a cork sunglass case & microfiber cloth. Acetate frame oak temple sunglasses Lens Width: 70mm Lens Material: TAC 1.1 Frame Material: Acetate Temple: Oak Lens Height: 50mm Lens Colour: Blue/black Lenses Optical Attribute: UV400 Polarized: Yes