Personalized Submarine 6th Birthday Toddler Full Zip Hooded Jacket. THINGS ARE LOOKING UP 6th birthday Toddler Full Zip Hooded Jacket - Black with big number 6, colorful submarine, little deep sea explorer in the porthole and bright fish with bubbles. 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.