New With Tag . The Sea Level Australia Zip Front Short Sleeve One Piece Swimsuit is a stylish and practical swimwear option for women in size US 4. Made from a blend of polyester, nylon, and spandex, this swimsuit features a solid black color with a zip front for easy closure. It is designed with sun protection and a multi-fit cup for added comfort and support. Perfect for a day at the beach or pool, this swimsuit is a one-piece choice that provides a flattering fit and a touch of logo accents for a trendy look.see last 2 photos for more details and size info