The RUDIS Knit Essential Socks are built for impact with extra arch support and breathable knit throughout.Includes 2 pairs- one black pair and one red pair.RUDIS Socks are the unsung hero in both performance and style. From performance specs like anti-slip materials to how they look paired with your shoes and joggers. They may not warrant as much consideration as a pair of shoes but the fact is they're a staple in every outfit.