Product Overview: Rooted in surf and skate culture, we went double-barrel with frame materials to create Twoface™, a rare look that pairs lightweight yet durable O Matter™ with lower rims of aluminum. Features: Lightweight O Matter™ frame material with Square O metal icon accents Precision-formed aluminum lower orbital 6 base lens geometry with HDO® Available with Prizm™ lenses to enhance color, contrast and detail for an optimized experience Polarized and Iridium® lens options available Available with Oakley Authentic Prescription Lenses Power range  +2.00 to -5.00 Product Code: OO9189-4260