Conductive Velcro Feb 4,2004
Antistatic Industries makes conductive foam, conductive velcro and other soft conductive materials. Thanks to James Powderly for the link.
Printable circuits and displays Jul 4,2004
Two potentially interesting companies for wearable computing designers (both of these assume you have some experience in circuit design): Conductivetech - they custom-manufacture circuits on flexible surfaces; plastics, fabrics, and so forth. Elumin8 - they custom-manufacture EL-wire and EL-paper displays.
Thermochromic inks Nov 25,2005
They have the widest product line and appear to provide some of the smaller resellers as well (they sell minimum by the 1/2 gallon i think).... "The problem is that all of the products we have come across start with a color and go to clear or to a lighter color when activated with heat (or cold)."
Wearable links from the Aerospace industry Jul 12,2005
The suits are basically like bullet-proof vests with a plumbing system and a spacecraft worth of electronics hardware...In most circumstances the spacesuits need to be cooled ivene though the temperatures can get down to -250 C. The electronics are all really hot and they operate outside the shuttle only during choice times to avoid the temperature extremes.