The very popular Silver Sole Diabetic crew, in a knee high style. If you have sensitive feet, you'll love this sock. It features therapeutic compression to increase circulation in the foot and ankle, pillowed sole for added comfort, mid-foot compression to prevent bunching of the sock and a channeled toe seam to reduce toe irritation. Add to that real silver which eliminates bacteria and reduces odor. Made of 67% Cotton, 16% Polyester, 4% X-Static Silver and 13% Spandex.