Adult Starfish Costume - XL This adult Patrick starfish costume includes the jumpsuit with headpiece. Our Patrick the starfish costume features a front zipper and character hoodie. This starfish costume for adults makes an awesome Patrick costume from Spongebob Squarepants. Measuring from shoulder to hem, the Patrick costume measures approximately 60" for the small and 63" for the X-Large. Our Starfish comes in adult sizes X-Large, Medium, Large, Small.