Xpand Laces are made with zero-memory elastic rubber, which ensure a consistent comfortable fit throughout your day and during your workouts. Xpand Laces work on all types of shoes and boots as you simply trim off the excess ends.
Formula Four Urethane -Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer-lasting size and shape