LOCK LACES is the elastic shoelace and fastening system that you truly have to try to believe! With your very first step, you will feel the difference with LOCK LACES-- the only patented performance lacing system trusted by runners, triathletes, marathoners, walkers, and elite athletes. Unlike other products, wearing LOCK LACES sustains simple compression across the top of the foot increasing the amount of oxygen available to the muscles to help manage fatigue. LOCK LACES are perfectly designed to eliminate any tight spots, banding, and pressure points. The lightweight locking system and elastic laces are the perfect combination of strength, stretch and stability. LOCK LACES are fast, convenient and secure, so you can--Win.Never tie.