Personalized Santa Hat Tuba Long Sleeve Creeper. A sousaphone wearing a Santa cap is a funny gift design for tuba musicians, music teachers and students in tuba choir, concert and marching bands at Christmas and the winter holidays. For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.