Santoni, Unitin, Lenzing and Tonello to launch stretch indigo denim concept BLUE ZONE, International Denim Trade Fair, to take place in Munich (August, 30 – September 1, 2016) four leading companies from the textile and clothing supply chain will launch a stretch indigo denim concept - DEN/IM, I am DENIM - that brings new innovation to athleisure-wear According to leading Italian seamless knitting machine builder Santoni, DEN/IM is a revolutionary brand-new product, which did not exist before: a…