The first part of the book focuses on technical textiles. It covers the introduction, advanced materials, manufacturing techniques, developments in coloration, finishing and coating. Protective and Performance Textiles and the applications of technical textiles in medical, healthcare and automotive are also discussed. The second part focuses on smart textiles, including introduction, materials, and their applications in wearable devices, heat and energy harvesting. The third part discusses design, sustainability, and future directions of technical textiles and smart textiles.