Personalized World's Greatest Dad Blue Text Newborn Layette. World's greatest dad in blue text with the earth in place of the letter O in the word world is a unique gift design for dads and stepdads on birthday, holidays and Father's Day. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months