Conceptual. Experimental. Innovative. Those words get tossed around a lot in fashion, but they ring true about Hussein Chalayan. The London-based designer staged a show in which wooden furniture collapsed into clothes and another where dresses, with the help of a little technological wizardry, morphed decades before our eyes. But he was at his unorthodox best for Spring 1998, when his Between collection took an unflinching look at the status of Muslim women and how something as simple as a hemline could connote so much meaning. In it, a group of models wore chadors of varying lengths, the first extending all the way to the ground, the last barely covering the model’s face. She was completely naked underneath. It was one of the decade’s most searing fashion images