Dupont Sorona and Sateri’s EcoCosy have collaborated to develop a new fabric called StretchCosy. The fabric uses a blend of Sorona, a partially plant-based fiber, and Sateri’s comfortable and lightweight EcoCosy fibers to achieve a soft material that is highly stretchable, shape-retaining and sustainably sourced. StretchCosy combines the mechanical stretch of Sorona stretch fibers, which…