Function and characteristics of clothing products; relation between to body load and the environment. Requirements for clothing and clothing materials from point of view the manufacturers and users. Processing properties of clothing materials, evaluation methods. Processing and utility properties of sewing threads. Utility properties - durability, aesthetic, physiological properties of clothing materials. Hand evaluation, subjective and objective methods of hand evaluation. Special properties of clothing materials for extreme conditions, evaluation methods. Relationship between quality of clothing materials and quality of clothing product.