  We present infrared observations of 3C 58 with the Spitzer Space Telescope
and the Canada-France-Hawaii Telescope. Using the IRAC camera, we have imaged
the entire source resulting in clear detections of the nebula at 3.6 and 4.5
microns. The derived flux values are consistent with extrapolation of the X-ray
spectrum to the infrared band, demonstrating that any cooling break in the
synchrotron spectrum must occur near the soft X-ray band. We also detect the
torus surrounding PSR J0205+6449, the 65 ms pulsar that powers 3C 58. The torus
spectrum requires a break between the infrared and X-ray bands, and perhaps
multiple breaks. This complex spectrum, which is an imprint of the particles
injected into the nebula, has considerable consequences for the evolution of
the broadband spectrum of 3C 58. We illustrate these effects and discuss the
impact of these observations on the modeling of broadband spectra of pulsar
wind nebulae.
