Personalized When I Grow Up I'm going to Change the World Baby Sweatshirt. When I Grow Up I'm going to Change the World Baby Sweatshirt - Red. Your little boy may change the world some day! Why not show it off to your family and friends and prove yourself right later on? Keep your little one warm and comfortable with this soft infant crew fleece sweatshirt. Made from a cozy cotton poly blend, this pullover offers just the right amount of warmth for cooler days without feeling bulky. The snap-tape neck closure makes dressing quick and easy, and the ribbed collar, cuffs, and hem provide a secure fit that moves with your baby. Durable stitching and side-seam construction help the sweatshirt maintain its shape and softness through repeated washing. Great for everyday wear, daycare, playtime, or layering during fall and winter, this fleece sweatshirt is a practical and comfortable essential for any baby wardrobe.