Written by an international team of contributors, this book takes a critical look at key technological and scientific developments in sizing and their application. The book begins with the history of sizing systems and their affect on the mass production of ready-to-wear clothing. It reviews methods for constructing new and adapting existing sizing systems, and the standardization of national and international sizing systems. The following chapters cover marketing and fit models and present an analysis of the grading process used to create size sets. This book is an essential reference to researchers, designers, students, and manufacturers in the clothing and fashion industry.