Personalized 60th Birthday Funny Sixty Happens Adult Sweatshirt. Funny 60th birthday Adult Sweatshirt - White party idea with sixty happens quote for someone turning 60 years old. 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.