Personalized 4th Birthday Comic Book Toddler Full Zip Hooded Jacket. Pow! Happy birthday to the 4 year old! 4th birthday gift for your little superhero. 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.