Performance socks built for you, the athleteLearn More
We've redefined the 3-pack
Fitsok is the premium 3-pack technical sock.
From our own Shadowyarn to Sorbtek® nylons, Coolmax® and Isolwool®, we’re serious about technical fibers and fabrics.
Made in the USA
We're proud to engineer and knit Fitsok 100% in the USA.
Fitsok will make you smarter*
Ok, ok... they might make you faster though.