Personalized Big Brother T-Rex Toddler Full Zip Hooded Jacket. I'm the big brother. A T-Rex dinosaur puts his arm around his little sibling who is fresh out of the egg. Cute gift for a big guy! 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.