From our Sports Illustrated x Forever 21 collection, this knit one-piece swimsuit features a colorblock design, mock neck, front zip closure with an "SI" zipper pull, long sleeves, and a back cutout. Content + Care - Shell: 82% polyester, 18% spandex - Other contents: 92% polyester, 8% spandex - Hand wash cold Size + Fit - Model is 5'5" and wearing a Small