Madewell is the first US denim brand to join the bluesign® Systembluesign, a sustainability solutions provider for the textile industry, is proud to announce its official partnership with the fashion and denim lifestyle brand, Madewell as the first US denim company to become a bluesign® System Partner brand. This partnership reflects Madewell’s commitment to reducing its environmental impact through the implementation of the best available techniques and sustainable practices in denim production.