Viscose fiber is a cellulose fiber produced from cotton or other natural fibers. It has the essence of cotton and the quality of silk. It is an authentic ecological fiber that originates from nature and is superior to nature. Among the 12 major textile fibers, the moisture content of the viscose fiber best meets the physiological requirements of human skin, has super anti-static performance, and does not produce the feeling of attachment to the body, so it is very smooth, this is unmatched by other fibers. In view of the fact that there are many large stretching and twisting movements in yoga movements, the fabric must have good stretching force, but at the same time, it must also have good resilience, it will not appear that the yoga clothes that pass through the knees and other parts appear bulging, or the size changes after washing. In response to this feature, there is a certain amount of spandex or Lycra in the yoga clothing fabric. Which is better in terms of stretch and elasticity in the yoga clothing that adds Lycra and spandex, we compared the characteristics of these two fabrics with pictures, so that you can more truly understand the difference between the two fabrics. Fabric A: 96% viscose + 4% spandex yoga clothing contains A certain component of spandex, which makes it have very good elasticity, strong tensile force and lower elasticity than general fitness clothing, it is more suitable for completing various movements of yoga clothes.