Personalized Boy 1st Birthday Cow Number 1 Toddler Hoodie. Make your child's first birthday memorable with our Cow Number 1 design apparel and gifts. So, have you heard the moos? Get your hands on these fun and adorable items today! The Toddler Pullover Fleece Hoodie keeps little ones cozy and comfortable through all their adventures. Made with soft fleece and a smooth jersey-lined hood, it’s perfect for layering on chilly days. Ribbed cuffs and waistband help hold in warmth while side seam pockets add a touch of practicality for busy toddlers on the go.