The Knee Wrap is made of Codura on the inside and out for extra wear protection.  The Knee wrap is designed to treat acute and chronic knee problems like epiphyseal carpitis.  Ideal for post surgical rehabilitation to assist in a speedy recovery.  You can use this to warm up joints and muscles before competition and also use them after competition to keep muscles from tightening up.  Lined inside are 15-4,000 gauss magnets. Upper strap is alternating and the front pad is all north.