Natural ceramic particles mixed with polypropylene fiber in spinning dope out the silk. Ceramic particles is contained in silk, made from it and combed cotton blended knitted or woven cloth, close-fitting dress, reflects the human body from the far infrared ray back into the human body surface, can be shone through the skin 2 mm or so, promote the micro vascular blood flow, make the person feels temperature 3 ℃ ~ 5 ℃ higher than other clothing. And the joint pain, skin disease has good curative effect. The main technical indicators are as follows:Of far infrared reflectivity: ≥82%