Women's Ribbon Knee Socks - BlackWomen's Ribbon Knee Socks Black Product Details: These womens ankle socks feature a sophisticated design with a black glitter velvet ribbon tape accent on the center back rib band. The non slip treatment and extension band securely wrap the foot, ensuring a stable and comfortable fit. Material: 80% Cotton, 17% Polyester, 3% Polyurethane Size Chart: SIZE (inches) Foot Length FREE 17. 72 Note: However, there may be some errors depending on the fabric