Personalized Pink Superhero 1st Birthday Toddler Full Zip Hooded Jacket. Happy 1st birthday! Celebrate your baby girl's first b-day with this cute I'm 1 pink superhero design. Happy Birthday 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.