Short shirt in a woven viscose blend. Collar, low-cut V-neck, and a corset-style bodice. Extra-long sleeves, concealed zipper at one side, and wide cuffs with slit. Unlined. Composition Rayon 66%, Polyamide 30%, Spandex 4% Materials in this product explained Polyamide Polyamide, also called nylon, is a synthetic fiber made from oil (a fossil resource). Rayon Viscose is a regenerated cellulose fiber commonly made from wood, but the raw material could also consist of other cellulosic materials. Spandex Elastane is an elastic synthetic fiber made from oil (a fossil resource).