This book highlights the fundamental and applied properties of different soft functional materials in pure and engineered forms. It presents recent developments in soft materials, such as material synthesis, properties, multicomponent materials engineering, device fabrication, experimental techniques, computational calculations, theoretical outcomes, state-of-the-art characterizations, new technologies, and evaluation of device performance. The chapters in this book are useful for researchers, professionals, policymakers, etc., who are interested and involved in exploring the scope of soft materials in future green and sustainable technologies. The book also includes state-of-the-art review chapters written by well-known specialists in the field and discusses applications in areas such as energy harvesting, soft grippers, robotics, biomimetic devices, drug delivery, surgical devices, smart packaging, and aerospace devices, including self-reporting and self-healing materials.