Still, for the past five years, Thredup has been tracking and projecting the growth of the secondhand clothing market, releasing annual reports conducted in partnership with third-party research and analytics firm GlobalData. The company just released its 2021 Resale Report, complete with plenty of staggering figures — it's still one of the fastest-growing segments of retail, projected to double to $77 billion by 2025 — as well as some new insights on how resale fares when there's a global pandemic. (As Thredup predicted one year ago, it fares quite well.