Personalized Music Baby Boy Toddler Full Zip Hooded Jacket. Music Sleeping Baby Boy Toddler Full Zip Hooded Jacket - Black has blue treble clef sign musical design. 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.