J Crew in dark denim. Unlined. A-line style, sleeveless with round neck, hidden back zipper. FLAT measurements: Armpit to armpit approx 17" wide, approx 35" long from top shoulder seam to bottom of hem and approx 25" long from waist; waist flat measurement is approx 14" wide. I purchased new at a J Crew store. Dress is in great condition, no rips or stains. Fabric is 66% cotton, 17% lyocell, 15% polyester, and 2% elastane.