The Simplicity 8426 sewing pattern is for a cardigan, tank top, and camisole in sizes 18, 20, and 22. This pattern is designed for adult women and features plus size options. The pieces are uncut, allowing for the creation of custom clothing items that can be tailored to the specific sizing needs of the wearer. With a vintage-inspired design, this pattern offers a timeless and versatile look for various sewing projects.