Patented lock and clip system keeps laces secure and tight Quick and easy for one-time set-up Ideal for triathlons, marathons, and team sportsPersonalize your look with the world�s easiest lacing system, elasticized for convenience, security, and speed. Patented lock and clip system keeps laces secure and tight Quick and easy for one-time set-up Ideal for triathlons, marathons, and team sports