IFJ_032021_elastane_DuPont-Sorona-Light-Plum-Coat Ken Norberg June 28, 2021 6 Views Elastane-free ski jacket from DuPont Sorona using partially bio-based Sorona fabrics for the inner and outer layers, the insulation and the faux fur trim. Photo courtesy of DuPont Biomaterials Elastane-free ski jacket from DuPont Sorona using partially bio-based Sorona fabrics for the inner and outer layers, the insulation and the faux fur trim. Photo courtesy of DuPont Biomaterials