Abigail Moscaritolo holds up a recent fashion find on a "haul video." The YouTube trend has become so popular that fashion retailers are approaching haulers to promote their products online. AbbyLynn401/YouTube hide caption

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American Apparel boasts that all of its products are made in the USA, primarily at its Los Angeles headquarters. Selling garments produced largely by machine, rather than by hand, has helped the company remain profitable. Mark Ralston/Getty Images hide caption

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The New York City Zara store on Fifth Avenue. Evan Joseph Uhlfelder/Courtesy of Inditex hide caption

itoggle caption Evan Joseph Uhlfelder/Courtesy of Inditex

Prices at stores like Forever 21 are so low, "it's virtually impossible to walk out empty-handed," says Elizabeth Cline, who writes about fast fashion. Michael Buckner/Getty Images hide caption

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