Personalized POP POP Man Myth Legend Long Sleeve Creeper. POP POP. The man, the myth, the legend. Celebrate pop pop on Father's Day with this cool, well deserved, Long Sleeve Creeper - White. 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.