Reduce the strain on the lateral knee for runners. Limit the movement that increases strain on the lateral knee and provides support to the knee during running. The anchor pad below the knee and the strap helically pulling up the knee limit the lower leg's internal rotation (inward twist), which is likely to place the strain on the knee during running. (patent pending ). Use thin and breathable materials on the main body including the part of the back of the knee. It does not get bulky during running and provides breathability and comfort fit. Applied with unique three-dimensional cutting (patented) that fits in motion of the runners. With specially designed "Active resin stay" (patented in Japan) that reduces lateral movement and makes the knee bend and stretch smoothly reduces the strain on the knee. **Features:** * Limit the movement that increases strain on the lateral knee and provides support to the knee during running. * Comfortable fit * Three-dimensional cutting to fit in motion of the runners * Stability for unstable horizontal balance **Includes:** * 1x Zamst RK-1 Knee Brace Right L