Cuff Socks With Crossed Racquets Royal This Prince Brand athletic sock is produced by "Vitalsox", a leader in performance sock wear and advocate for the "Feetness" First Concept". Vitalsox Italia Performance Sock wear offer key technology features to elevate your performance level. Key Sock Features: Compression: This makes the sock fit tighter to the foot, like a second skin, eliminating movement in the shoe which causes friction and blisters on the foot. Patented Silver DryStat fiber: A solid core polypropylene fiber that will not retain water, this keeps the foot dry and healthy. Silver Infused Ion Fibers: Inhibit any growth of bacteria or molds AND eliminates odor in the sock. Padding. AB-X Reinforced padding system is engineered for the correct amount of padding for a high impact sports and acts as a shock absorber and provides protection without bulk, wrinkling, or shearing. Unlike competitors, this padding does not break down and go flat after several washings. Made in Italy. Known for the best quality clothing in the industry.