I actually used these on a pair of Doc Martens work boots and they have really made it easier to get ready for work. They're not going to cooperate on your first few wears. You have to wear them in and they're stretch and shift to the correct position and then they're perfect. I didn't bother trimming them after I got them just right, just because I like the look of the laces on the boots, also that way they look like normal laces.