Personalized So I'm Little, But I'm Gonna be a Big Sister Baby Sweatshirt. There's a new sibling on the way, and that means you've been officially promoted from "Only Child" to "Big Sister." So I'm Little, But I'm Gonna be a Big Sister Baby Sweatshirt - Pink, for girls who'll be getting their little brother or little sister soon. 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.