Performance socks for all athletes

Unleash the dark side of your run with NEW Stealth Silver CF2 socks. Shop now

Our mission is simple

Give athletes the best in engineered fit and performance. We're about building products that allow everyone to excel.


Why choose Fitsok?

Each sock is built to perform. From the athletic CF2 to the advanced CX3 and feature-rich F4, the entire FITSOK lineup is designed to keep your feet dry, comfortable and cool.

  • Flowtek Channels

    Flowtek™ Channels

    Innovative technology promotes airflow on all sides of the foot, dispersing heat and moisture to result in cooler, drier feet.

  • Engineered Heel

    Engineered Heel

    Reinforces the shape of the heel to enhance comfort and ensure a proper fit.

  • Precision Toe

    Precision Toe

    Provides a contoured fit and eliminates bunching and irritation at the end of the foot.

  • Anatomical Foot

    Anatomical Foot

    Left-Right foot construction allows for a precise fit.

  • Max Arch Support

    Max Arch Support

    Alleviates foot fatigue by providing a supportive fit around the arch.

  • Superior Fabric Tech

    Superior Fabric Tech

    Coolmax®, Sorbtek™, Isolwool™, Shadow Yarn and other advanced fabrics promote airflow and moisture management.

Running isn't just a sport - it's a lifestyle

We understand you run daily, and a 3-pack ensures you run in a fresh pair every time you lace up. It's part of our philosophy to keep athletes up on their feet. When a sock enables athletes to excel, it becomes more than a sock. It's what you run for.