Personalized Super T-Rex 3rd Birthday Toddler Full Zip Hooded Jacket. Rawr! A T-Rex superhero wearing a birthday hat is surrounded by a colorful burst of confetti. Cool 3rd birthday gift for your 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.