High-tech fabrics, such as those with anti-microbial or rubberized properties, are increasingly finding their way onto the runways. Burberry is selling a trench coat made from rubberized materials originally developed for scuba diving. Two hundred dollar T-shirts by a company called Established 1887 are embedded with silver chips that have antimicrobial properties to repel stains and odors. As an added benefit, these fabrics are harder to knock off and so help designers differentiate their clothes from a sea of imitation.