ONE SHOULDER CUT OUT MIO One shoulder One piece Good seat coverage Midriff cut out FABRIC 2-way stretch Poly jersey, a high tech modern fabric with the finest denier yarn knitted into this high performance easy care fabric that is soft as silk and strong as steel.. Composition: 100% polyester. Lining: 87% nylon 13% lycra. CARE INSTRUCTIONS For the long life of this easy care style, please follow the directions: cold water wash, cool dry line dry, do not dry clean.