Personalized Whale 1st Birthday Adult Hoodie Sweatshirt. A cute smiling whale spouts its birthday hat off celebrating its first birthday! Cute gift for a 1st birthday present. Elevate your comfort with this classic adult hoodie, a perfect blend of style and practicality. Crafted from soft, high-quality fabric, it features an adjustable drawstring hood, and a spacious front pocket. Ideal for layering or wearing on its own, this hoodie is a versatile staple for casual outings, workouts, or relaxing at home.