Lp Tan-Color Ceramic Outer Yarn With 100% Cotton Lining For Comfort (Sizing Under Description Below) Emits Far-Infrared Rays To Penetrate & Activate Cells; Helps Relieve Nervous Tension; 4 Way Stretch,Provides Therapeutic Heat To Improve Blood Circulation; Helps Arthritis, Rheumatism, Strained Muscle,Enhances Cell Renewal & Provides Soothing Relief From Minor Pain Of Nervous System Disorders.