Personalized This Kid is 4 Birthday Toddler Full Zip Hooded Jacket. This kid is Four! Celebrate your child's fourth b-day with this cute thumbs up 4th design. Happy Birthday 4-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.