Oakley took all your favourite features of their best-selling style Holbrook, and crafted it into a lightweight sheet metal frame with advanced technology, taking this time-honoured style one step further with the Oakley Holbrook Metal. Fit Three-Point Fit holds lenses in precise optical alignment while eliminating pressure points Padding Unobtainium® interior stem pads increase grip without compromising on style Lenses Prizm Black Polarized Lenses: PRIZM™ is a revolution in lens optics built on decades of colour science research. Prizm™ lenses provide unprecedented control of light transmission resulting in colours precisely tuned to maximize contrast and enhance visibility Improving safety, comfort and performance, Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with polarized lenses made with conventional manufacturing techniques Patented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every angle