Personalized T-Rex 1st Birthday Toddler Full Zip Hooded Jacket. A cute little T-Rex dinosaur is smiling and wearing a birthday hat as it sits with its 1st birthday cake. Adorable gift for your one 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.