Personalized 50th Birthday Cake Adult Sweatshirt. Pretty black and white polka dot 50th Birthday Cake Adult Sweatshirt - White you can personalize for a friend turning 50. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.