• The grey lens is polarized and the copper one is not.
    Answered on 5/12/2010 12:00:00 AM by Customer Care from Sierra Trading Post
  • There are a set of polarized lenses (grey tinted) and a set of non-polarized lenses (brown tinted).
    Answered on 6/16/2010 12:00:00 AM by hbomb from Seattle, WA