Offered any fabric in the world to make their next collection, plenty of designers would opt for vicuña, baby cashmere, mulberry silk, Japanese denim or some such.
Not Iris van Herpen. Her dream would be to use invisibility cloak — except only the U.S. Army seems to have authorization for this mysterious material, which bends the light around an object to make it seemingly disappear.
“It was supposed to come on the market…