ISW Isolwool® Heather No-Show medium

ISW Isolwool® Heather No-Show mediumNo Show wool Twin Turbo? We got it! The new ISW is a power packed running sock built for the trail and beyond. Constructed with Isolwool, the ISW utilizes merino wool and polypropylene to deliver superior moisture movement. A light cushion prevents blistering and enables prolonged performance in the harshest conditions. Wool naturally fights bacteria allowing the sock to remain clean and fresh. The ISW is designed to perform in hot or cold

If you think you might need something different

No one likes the feeling of hot

- Lifetime Warranty

no sock to stand up to the challenge

The two brothers who started FitSok happen to be third-generation sock makers AND passionate runners

We're proud of the worldwide success the CF2 has seen

Enjoy all these amazing features and more when you wear our SR8 Black and Berry Mid-Weight Tab Athletic Socks

as well as 40% off your first purchase

These running socks are specifically designed for high-intensity workouts

The founders of FitSok are two brothers who happen to be third-generation sock makers and avid runners

and if you aren't sure which amount of cushion would best suit your needs

supreme-quality blend of materials will treat you to the truest fit and best comfort you could ever want from a cushioned running sock