Performance socks built for you, the athlete

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What makes us different

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We've redefined the 3-pack

Fitsok is the premium 3-pack technical sock.

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Advanced fabrics

From our own Shadowyarn to Sorbtek® nylons, Coolmax® and Isolwool®, we’re serious about technical fibers and fabrics.

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Made in the USA

We're proud to engineer and knit Fitsok 100% in the USA.

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Fitsok will make you smarter*

Ok, ok... they might make you faster though.

Made in America by runners

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Latest News

Fitsok + The Sock Factory

An All New Fitsok.com


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