From TF2 Wiki
The Napper's Respite is a community-created headwear item for the Pyro that was released in the Mann-Conomy Update. It appears as a stereotypical "nap cap" with team colored stripes and a fuzzy ball on top.
October 6, 2010 Patch
- Changed the painting scheme so that the stripes were team-colored.
October 27, 2010 Patch
- Changed the painting scheme back to paintable stripes.
December 2, 2010 Patch
- The name of the hat is a play on the 1979 single "Rapper's Delight" by the American hip-hop trio The Sugarhill Gang.