Xtenex X300 Triathlon Black Yellow Shoelaces Length:75cm a tightening and restricting pressure

a tightening and restricting pressure at the top of the shoe

orthopedic shoes

Xtenex X300 Beige Laces are the best elastic laces in the world and are popular with professional athletes

medical shoes

Xtenex X300 Triathlon Black Yellow Shoelaces Length:75cm a tightening and restricting pressureXtenex X300 Black Yellow Laces are the best elastic laces in the world and are popular with professional athletes; from golfers to distance runners to triathletes. They are also are perfect for anyone who wears casual shoes, senior shoes, orthopedic shoes, medical shoes, diabetic shoes, children's shoes and everyone else in between. Xtenex (indeXed TENsioning nEXus) is a worldwide patented elastic lace technology that produces adjustable tensioning