 Global retail eCommerce sales grew by an estimated 27 in 2020, spurred on by the coronavirus COVID-19 pandemic outbreak, and in 2021, they expanded by a further 16, reaching 4.94 trillion, according to market and consumer data specialist Statista. While thats created opportunities for online retailers and delivery companies, it has also resulted in higher operating costs for clothing retailers due to a sharp rise in returns of garments that dont fit. 