Personalized 4th Birthday Monster Truck Toddler Full Zip Hooded Jacket. 4th Birthday Monster Truck Toddler Full Zip Hooded Jacket - Black is perfect for the truck themed birthday party for your four 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.