TV personality Sofia Suescun attends a Shein event in Ibiza, Spain. Influencers have helped boost the fast-fashion brand’s popularity. Xavi Torrent/Getty Shein is a fast-fashion retailer that produces thousands of garments and accessories at a rapid pace. In 2022, the company was worth $100 billion — more than fast-fashion predecessors H&M and Zara combined.  Shein has faced backlash over labor practices and fast fashion’s role…