This BNWT Black River Island Ribbed Stretchy Jersey Bodycon Knee Dress in size 8 is a stylish and versatile piece perfect for various occasions. Made from a blend of polyester and 3% elastane it has a jersey feel and stretchy ribbed fabric.Size 8 but approx measurements laid flat are pit to pit 14.5", 13" waist, 15" hips and 36" in length - it has some stretch too.