Personalized Big Brothersaurus with Cute Sibling Dinosaurs Toddler Full Zip Hooded Jacket. Big Brothersaurus! A cute little dinosaur is protected by his Big Brothersaurus. Fun Toddler Full Zip Hooded Jacket - Black for brother! 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.