Personalized Worlds Best Biathloner Daddy Toddler Dress. My Daddy is the Worlds Best Biathloner Toddler Dress - Mauve with Speckles has cute worlds best design with slogan for the son or daughter of a Biathloner. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!