It ’s about $ 42 in dollars. It is easy to balance the pelvis and leads to the correct posture every day. The tabi style is intended to improve balance and help prevent falls. Magnets sewn into the sole are said to promote blood circulation, much like stimulating acupuncture points. ●material cotton60%,polyester30%,Polyurethane8%,Nylon2% ●Attention Sorry pals- don’t wear if you use medical equipment which may be affected by magnetism e.g. a pacemaker. Since the socks compress, consult your doctor before wearing if you have a sprain, vascular or circulatory disease, skin infection, tumour, or are in early pregnancy, immediately after childbirth, or other health condition. Just to be on the safe side. ●Laundry　Guide Put it in the net, wash it with a neutral detergent. Hang it in a well-ventilated shade.