I purchased this new and wore it only once for about 3 hours to a formal event in early spring. You can wear a jacket over it and wear it in spring, summer, autumn, and winter. Material: Outer: 100% nylon, Lining: 100% polyester Size: 9 (9AR) Bust 84, Hips 91, Height 158, Total Length 101-104cm Color: Black Design: All-over lace Party dress, suitable for invitations, retro, stylish one-piece dress, entrance ceremony, suit, mom, body shape cover, graduation ceremony attire, mother, entrance ceremony, graduation ceremony, Shichi-Go-San (Seven-Five-Three Festival), second party, wedding