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

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

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

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

Left-Right foot construction allows for a precise fit.

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

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