Women's denim jeans are displayed in a retail store in San Francisco, California in this September 3, 2009 file photo. As Gap Inc promotes its new "Gap 1969" jeans with eye-catching window displays, a host of disparate rivals from AnnTaylor Stores Corp to Guess Inc are upping the ante on the $12 billion apparel category that has seen 8 percent sales growth in the 12 months ended June. To match ANALYSIS USA/RETAIL-DENIM/ REUTERS/Robert Galbraith/Files (UNITED STATES BUSINESS FASHION)