Personalized Irish Rock Toddler Full Zip Hooded Jacket. A dancing rock holding a shamrock is a humorous design for St. Patrick's day, Irish and Celtic festivals and birthdays. 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.