Sesia: Where Fashion Is Green. For over 50 years Sesia has sustainably produced 100% Italian made hand-knitting yarns for the craft and fashion industries. Located in the Province of Novara in the Italian region of Piemonte, Sesia transforms the most valuable raw fibres into precious yarns. At Sesia great attention is paid to the environment, quality and people. Responsible innovation has been a conscious choice of Sesia for more than fifty years. All raw materials are tracked and certified in order to ensure respect and protection of animal welfare and protection of natural habitat. The finest fibres are worked with artisan care, to produce high-quality 100% Made in Italy exclusive yarns that interlace tradition and innovation and give life to the fashion of the future.