found at Sportitude
Lace your shoe without any hassle with the Xpand Quick-Release shoe laces. You'll never have to worry about the tension loosening during running and other sports with a lace locking system that ensures your shoes stay secure on your feet. This durable lace locking system is made from fiber reinforced resin that's virtually unbreakable. According to Xpand, it's capable of holding more than 16. 5kg (30 pounds) of pressure, and in testing delivered 4 times the strength compared to its lace clip competitors. Simply pop the lock to release pressure and transition from 'Active Mode' (locked) to 'Relaxed Mode' (unlocked). Tightening the fit is just as quick and easy - making it ideal for everyone from little athletes to seasoned triathletes. - Keeps laces from coming undone without the inconvenience of having to tie them - Single-piece patent pending Quick-Release Locking system - Transforms virtually any shoe into a tie-free, slip-on design - Easy to install, lock and unlock - Holds up easily to rigorous physical activity - Compatible with any sneaker, boot or athletic shoe with a standard lacing system - One size fits all - suitable for both adult and kids' shoes Comes with: - 2 Elastic Laces - 2 Locking Anchors - 2 End Clips