Nathan Shoe Reflective Lock Laces Elastic Shoelace & Fastening SystemLOCK LACES features the special design of Elastic Laces, with a built-in spring activated locking device, these “no tie shoelaces” provide the style and comfort that uses a lacing system. These uniqueReflective Elastic Laces can be worn with any type of shoe.TheLOCK LACES provide locked-in reflective safety for evening runners and walkers. These unique laces fit any type of sneaker that uses a lacing system. They provide a never-come-undone, never-tie advantage. LOCK LACES are a necessity that improves performance, so you can Win. Never tie.Each pack contains one pair of ReflectiveLOCK LACES:2 LockLaces2Cord Locks2Elastic Laces Cord tip clips to protect the ends of laces from frayingSizing:One size fits allElastic laces are 48" in length and stretch up to 72" in lengthWhy LOCK LACES?Made for competition, LOCK LACES is the only patented performance lacing system engineered to meet the demands of endurance athletes like runners, triathletes, marathoners, walkers, and other sports and fitness activities like hiking, gym class, biking, aerobics and dancing.Runnerslove that LOCK LACES accommodate the changing terrain and foot fatigue.Triathleteslove LOCK LACES because of the quick transition ability from bike to run.Seniorsenjoy not having to bend down or fumble with laces and easily slipping on and off their shoes. The elasticity allows expansion to accommodate swelling feet without loss of stability.Travelersappreciate that LOCK LACES make going through airport security quick and easy. LOCK LACES even work great for any kind of boots!Parentslove LOCK LACES because they offer security of shoelaces never coming undone. Great for outdoor play and bike safety.Kidslove LOCK LACES simply for the ease of not having to tie shoelaces, and because having the right colors make your shoes look great!