Personalized Worlds Best Biathloner Daddy Baby Bodysuit. My Daddy is the Worlds Best Biathloner Baby Bodysuit - Indigo has cute worlds best design with slogan for the son or daughter of a Biathloner. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.