The Simplicity Sew Pattern 8870 is a formal one-shoulder dress gown pattern designed for misses and petite sizes, ranging from size 4 to 12. This uncut pattern from the 2010s includes options for adult and teen sizes, featuring a feminine and elegant design perfect for evening wear or weddings. Made in the United States, this pattern is ideal for those looking to create a sophisticated and unique garment with a flattering silhouette.