Personalized 3rd Birthday Kitten Blue Toddler Full Zip Hooded Jacket. I'm three! A cute blue kitty cat has a birthday hat and a cupcake with a 3 shaped candle. Happy 3rd birthday to the three-year-old! 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.