Performance socks built for you, the athlete

Learn More

Frontpage Collection

Almost there...

You have no products in your Frontpage collection. This placeholder will appear until you add a product to this collection.

Add a Product

Shop All Products

What makes us different

3 pack of socks icon

We've redefined the 3-pack

Fitsok is the premium 3-pack technical sock.

Fabric icon

Advanced fabrics

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

USA icon

Made in the USA

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

Brain icon

Fitsok will make you smarter*

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

Made in America by runners

Shop All Products

Latest News

Fitsok + The Sock Factory

An All New

Talk to us, Goose

Tag Instagram with #RunForIt

See More