Rakuten to launch membership program for designer shoppersA shopping platform that offers cash back and rewards will target designer brand aficionados. Rakuten partners with New York Fashion Week for online discountsA shopping platform that offers cash back and rewards, is offering advance access to New York Fashion Week (NYFW) runway items. The most popular sportswear brands in the U.S. are … A study has revealed the ten most popular sportswear brands in the United States, with the results based on Google searches.