Oakley Mens (A) Halflink Made in USA or Imported polycarbonate lens non-polarized Rectangular, lifestyle shape w/ active componentsintegrated sock design flowing onto center frame Semi-rimless active styling for added versatility Revised stem geometry to avoid early temple crash and pressure Changed rake (pantascopic tilt) of lenses to avoid cheek crash Added Unobtainium touchpoint on center frame (when you pick up and remove) Unobtainium earsocks and nosepads for added comfort and practical performance