It's 100% polyester. Including the see-through parts, it's knee-length. I bought it last year for around 3000 yen. It's the type that doesn't wrinkle even after washing. I've worn it three times. Back ribbon ef-de, INED, ZARA, CLATHAS, ROYAL PARTY, 23区, Kumikyoku, JILLSTUART, DHOLIC, LOWRYS FARM, MURUA, EMODA, SLY, Rady, egoist, RESEXXY, DATURA, CECIL McBEE, INGNI, MIIA, MERCURYDUO, GRACE CONTINENTAL, Trefle +1, FRAY I.D