NWT Old Navy Convertible Metallic Shine One-Piece Swimsuit Product Details Adjustable spaghetti straps; straight neckline. Shimmer in quick-drying, textured metallic nylon, with comfortable stretch and full lining. Elasticized leg openings. Built-in UPF 40 sun protection; excellent UV protection accords with ASTM standard D6603. #650346 Materials & Care nylon 80%, spandex 13%, metallic 7% Machine wash cold, gentle cycle, hang dry. Imported. Fit & Sizing Moderate coverage. Women's one-piece swimsuit is fitted through body. Models are wearing sizes S (numeric size 4), L (numeric size 12), and XL (numeric size 18).