Xtenex Laces are a great solution for the runner that needs the freedom of the elastic lace but feels the traditional systems stretches the shoe too much, becomes too tight on the foot or are just uncomfortable.
Xtenex laces have an elastic core and a series of knots along the entire length of the lace at consistent intervals. Stretch the lace and the knots disappear, allowing you to thread the lace through the eyelets. Release the tension and the knots reappear. More knots between eyelets lessens the tension; fewer knots between eyelets increases tension. This technology enhances footwear fit, comfort and performance.