Do your windows on your factory JL Soft Top need to be replaced? Bestop now offers factory JL replacement windows - available as individual purchases in Black Twill, Tan Twill, and Black Diamond fabrics for your 2-door or 4-door JL. Please Note: Side quarter windows do not include the factory corner stiffener when a replacement window is purchased, please make sure to remove the stiffener from the previous side quarter window and reuse it in the new replacement side quarter window.