On the 50th anniversary of Earth Day on April 22, 2021, thredUP, the world’s largest fashion resale platform partnered with Reebok to invite customers to trade in their second-hand clothes in exchange for 150 Reebok loyalty points. This and other such clean-out programs were part of thredUP’s sustainable initiatives offered during Earth Month. Reportedly, thredUP upcycled its 100 millionth item in 2019, displacing 870K tons of CO2. Not just Reebok, legacy brands Gap, Macy’s, and many others are plugging into thredUP’s Retail-as-a-service (RAAS) infrastructure to offer resale experiences for their customers.