•There are 16 1000 gauss-ferrite magnets that have unique alternating arrays in both sides of the knees. The magnets penetrate more deeply helping to soothe discomfort and relieve burden on the knees. • A new fiber, "Asahikasei-Sekyurite" which has natural sulfur, helps maintenance of antibacterial and deodorizing effects. •Produces high moisturizing action through ultra infrared radioactive ceramic fiber, "Kuraray Lonwave." •Rayon material is easy on the skin. Super-absorbent. •Special weaving allows it to fit onto knees naturally.