Personalized 1st Birthday Submarine Toddler Full Zip Hooded Jacket. Cute 1st Birthday Submarine Toddler Full Zip Hooded Jacket - Black has number 1 on the porthole for your child's undersea party. 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.