STS-26 - Infrared Communications Flight Demonstration (IRCFE)

Using the same kind of invisible light that remotely controls our home TV sets and VCRs, mission specialist George "Pinky" Nelson is to conduct experimental voice communications with his STS-26 crewmates via infrared, rather than standard radio frequency waves.
This appears to be the original version. A second version can be found with slightly different embroidery. For example, this one uses gold thread for the lettering.