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Dark Infinity Blue

Men's Free Kit 13 Sock

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The Castelli Free Kit 13 Sock is a stylish sock designed for turning heads while remaining highly breathable. With a Meryl® Skinlife, the Free Kit 13 is flexible, moisture-wicking, and versatile. At 13 centimeters high, the Free Kit lends a Pro look to any rider. Inside, a midfoot support band offers just the right amount of compression for both a secure fit and improved comfort.


  • Meryl® Skinlife base yarn.
  • Pro 13cm height.
  • Midfoot support band.
  • Claimed weight: 60 grams.
Shoe Size35-3940-4344-47