This comprehensive review of wearable textiles addresses the pivotal role of materials and manufacturing techniques in shaping the field. It explores the significance of these factors, contrasting natural and synthetic materials, and delving into conductive and smart materials with their applications and challenges. Sustainable materials and environmental considerations are examined, along with the potential of biomaterials in wearables. Manufacturing techniques, including traditional processes like weaving, knitting, and spinning, as well as emerging methods such as 3D printing and nanotechnology, are discussed. The integration of electronics and sensors, sustainable manufacturing practices, and their challenges are highlighted. The interplay between materials and manufacturing is analyzed, showcasing successful combinations. The review also acknowledges challenges like material durability, scalability, compatibility, and environmental concerns. It explores future trends, emerging materials, manufacturing technologies, and applications across healthcare, sports, fashion, consumer wearables, and industrial sectors. This review concludes by summarizing key insights, emphasizing the importance of research and development for the future of wearable textiles.