Upgraded German A5B/DS Acoustic Cloth / Canvas for superior sound dampening Entire top is cut from the same bolt of cloth for consistent color and pattern New DOT rated heated glass window with embedded defroster wiring Includes the wiring harness to connect the defroster window to electrical system Flush mounted deck seams like original and unique to these Boxsters This German A5B/DS Acoustic Canvas convertible top for the Boxster has it all. It is the best material available and includes new tinted heated glass window defroster wiring harness to connect it to your side mirror defroster. The German A5B/DS is an incredible new technology that effectively seals out road noise.