--- title: Circular Design Innovation with Politecnico di Milano and Castelli Cycling date: 2025-03-31T02:30:00-07:00 author: Luana Domanti canonical_url: "https://www.polartec.com/news/circular-design-innovation-with-politecnico-di-milano-and-castelli-cycling" section: News Entries --- ![Foreground Image](https://polartec-polartec.transforms.svdcdn.com/production/img/Polartec-P.R.-PoliMi-News-Entries-Details-950x1080.jpg?w=950&h=1080&auto=compress%2Cformat&fit=crop&dm=1743413236&s=1b597061a827df13147b602c6117bb11) [ News Hub. ](https://www.polartec.com/news) Main Story. 03. 31. # Circular Design Innovation: Polartec & Castelli Cycling x PoliMi ![7 Polartec P R Poli Mi Article](https://polartec-polartec.transforms.svdcdn.com/production/img/7-Polartec-P.R.-PoliMi-Article.jpg?w=450&h=450&auto=compress%2Cformat&fit=crop&dm=1743413344&s=d901d2e27e86f1a9a9afa8ed1ced2803) ![4 Polartec P R Poli Mi Article]() ![3 Polartec P R Poli Mi Article]() ![5 Polartec P R Poli Mi Article]() ![6 Polartec P R Poli Mi Article]() ![8 Polartec P R Poli Mi Article]() ![1 Polartec P R Poli Mi Article]() **Polartec® has partnered with Castelli Cycling and Politecnico di Milano’s Fashion Tech Master’s Program to explore how innovation, technical fabrics and a circular design approach are transforming the future of apparel design.** The successful completion of the forward-looking collaboration brought together **deadstock Polartec® fabrics**, **cutting-edge design education** and a **shared commitment to sustainable progress** through which students were challenged to design and develop **next generation garment prototypes** and in doing so, give new life to materials already in circulation. In addition to giving students hands-on access to some of the world’s **most advanced and sustainable textile innovations**, regular interventions with Polartec and Castelli experts were key to turning theory into a tangible design approach. In this way, the program becomes a powerful model for how industry, academia, and design can work together to rethink the use and re-use of technical fabrics in the world of high-performance fashion. **Watch the recap video to see the team reflect on its journey and discover how this project is helping them rethink the use of high-performance textiles in design.** Share. 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