Personalized Air Force Crest Adult Sweatshirt. Adult Sweatshirt - Heather Grey Air Force coat of arms. Designed by Dina Fitzgerald. 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.