The 17th century vessel was found in Oulu, Finland in 2019 (right). The color of the dress comes directly from the Hahtiperä wreck (left). Image: Minna Koivikko (right) / Aalto University (right) Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . You may unsubscribe at any time. Pirate treasure and shiny coins typically come to mind when an old shipwreck is discovered. These bits of maritime history are usually studied, preserved, and placed in a museum or private collection—not made into a dress worthy of Paris Fashion Week. Using the surplus wood from a shipwreck dating back to the 1600s, archeologists , chemists, and textile experts in Finland turned the raw material into a textile fiber.…