EXCLUSIVE AT NET-A-PORTER. Stella McCartney's dress is part of the label's exclusive capsule filled with glamorous, archival styles in new colors. Saturated in shimmering sequins, this gown is cut from tulle and has a one-shoulder neckline. A panel of airy chiffon peeks out from the hem. Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria here.