about racesox

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when performance matters

In 2008, TCK inaugurated a new performance line called Racesox. These premier products have been tested in endurance races all over the world, including the lava fields at the Hawaiian Ironman in Kona, the New York and Boston Marathons, and epic cycling events in New Zealand. Since, elite athletes wearing TCK’s Racesox have expressed complete satisfaction with this product.

TCK officially launched the Racesox product line at the Ironman World Championships. Since, RaceSox’s superior quality, uniquely engineered fibers content, functional design, and outstanding performance have led to increasing demand from all kinds athletes: weekend warriors to elite competitors. Many are experiencing what RaceSox have to offer, and so should you.

Some of our most popular Racesox boast patented Oxysox® Compression Technology (OCT®) which has been time-tested and proven to enhance athletic performance and recovery. At RaceSox, we fuse OCT® with the best quality fibers in the marketplace and the performance-enhancing features that have typified all TCK products for nearly half a century.

all racesox products are
  • American-made by an American-owned company at an American manufacturing center
  • Specially developed to bridge the spectrum of racing competition, both amateur and professional
  • Born and raised at our North Carolina manufacturing plant
  • The result of a global search for the best quality fibers we can get our hands upon
  • Knit on top-of-the-line high needle-count machines
  • Subjected to rigorous durability testing at the Hosiery Technology Center in Hickory, NC
  • Put to the test by athletes in various competitive venues all over the globe
  • Customizeable through our Build Your Own RACESOX Program
the racesox guarantee

At Racesox, we stand by what we make. We want to know if our product does not meet your satisfaction at the time you receive it, or after you have put it to the test. Simply return it to TCK for repair or replacement. Normal wear and tear is not covered by this guarantee.

about tck brands

For half a century, Twin City Knitting, Inc. of Conover, North Carolina has maintained a reputation for innovative and quality socks in all areas of athleticism; and success has come with a simple business philosophy: Offer quality products at a fair price, and always give courteous service and dependable delivery. We embrace a straightforward motto: “Keep it simple; do it right; and do it better than anyone else.” TCK is an American-owned company born and raised in Conover, North Carolina; and we continue to manufacture many premium brands, including Racesox, right here in the USA.