Xtenex X300 Triathlon Black White Shoelaces Length:75cm This technology addresses the source

This technology addresses the source of footwear related pain and discomfort: lace migration

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

a tightening and restricting pressure at the top of the shoe

1) Binding

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

Xtenex X300 Triathlon Black White Shoelaces Length:75cm This technology addresses the sourceXtenex X300 Black and White 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