Many apparel shoppers are shifting their spending away from retailers like Target and Macy's, and toward Amazon, A Coresight Research study found that Amazon already has a significant presence in apparel. 46 percent of respondents said they made an apparel purchase from the e-tailer in the past year. Amazon also seems to be stealing apparel sales from big-box retailers and department stores alike. More than 30 percent of Target shoppers have switched some of their apparel spending to Amazon.