Performance socks for all athletes

Our mission is simple


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

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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.

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