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Designed to meet the demands of race-day athletes, the F4 utilizes to provide compressed venting and moisture wicking in the most extreme conditions. Made with Sorbtek®, this sock channels moisture away from the foot, keeping it cool and dry. Anatomical left-right foot construction allows for precise fit, while a unique cushioning system provides comfort in specific pressure areas. Achilles protection reduces blistering on the back of the foot, and a front tab protects against shoe friction. The F4 is only available in no-show length. 83% Nylon, 16% Sorbetk Polyester, 1% Spandex
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🇺🇸 Ship from USA · On Agora since 2025
$20.00