Personalized Irish Flag St Patrick's Shamrock Toddler Full Zip Hooded Jacket. Irish flag Toddler Full Zip Hooded Jacket - Black for St. Patrick's Day has shamrock clover in green. 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.