The elasticity of the makeup of Xtenex laces allows the shoe to mold right to the runner’s foot. The feeling of restriction or tightness is lessened, even during exertion. The knots that are built into the laces are an integral part of the system. They adjust the the tension accordingly, at intervals of the eyelets.
One annoying circumstance common to runners is laces coming loose or breaking. The tension produced by Tenex laces greatly reduces these risks.
Once these laces have been inserted, a runner is confident, and ready for any challenge.