Personalized 100 Days Smarter | 100 Days Of School Baby Sweatshirt. Our 100 Days Smarter design features vibrant colors and a playful illustration that will bring a smile to anyone's face. Made from high-quality materials, our apparel is comfortable and durable, ensuring that your child can enjoy wearing it for many more days to come. 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.