HIGH DEFINITION OPTICS® (HDO®) combines patented optics and PLUTONITE® lens material that provides 100% UV filtering and unsurpassed impact protection.Our proven ZERO™ S sunglasses have been reinvented with new lens geometry and sculptural earstems of epic proportion. Available in two distinctive shapes, the monolithic lens of pure PLUTONITE® features open-edge architecture that maximizes your field of clear vision. The comfortable Three-Point Fit is optimized by UNOBTAINIUM® components that increase grip with perspiration. Composed of lightweight O MATTER®, the earstems are accented with true metal icons.