Zac Posen black and gray dress - Matelassé scuba - Pleated, fully lined - Concealed hook and zip fastening at back - 73% polyester, 23% polyurethane, 4% other; lining: 80% polyester, 20% silk - Dry clean - Fits true to size, take your normal size - Fitted at the bust and waist, loose at the hip - No bra is required due to internal structure - Mid-weight, structured, non-stretchy fabric - Model is 175cm/ 5'9 and is wearing a US size 2