Personalized Mantenga La Calma CDM Long Sleeve Creeper. Cinco De Mayo Long Sleeve Creeper - White with red hot chili pepper and KEEP CALM saying written in Spanish. Mantenga La Calma Es Cinco De Mayo. 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.