The rapid expansion of digital solutions is transforming the landscape of the textile and fashion (T&F) industry. Advanced digitization within the T&F sector is not only altering the way the production and distribution operations are carried out, but also fostering a new paradigm of data, known as big data and data analytics known as big data analytics. This transformation is reshaping the approach of data-driven decision-making in the industry. Aligned with the recent developments, this chapter provides an overview of the characteristics of big data and data analytics, and how the T&F industry can leverage such change to create a competitive advantage.