Authorised Oakley sunglass store. Oakley sunglass square wire 2.0. A Metal blend that defies both gravity and abuse, C-5 alloy is decked with refined bridgework and mounted with enhanced earstems on retooled hinges. Available Iridium® lens coatings tune contrast for any light condition while patented XYZ Optics® maximizes peripheral clarity. Soft Unobtainium® earsocks increase adhesion with moisture to maintain the comfort of a secure fit.