YOCZOXElastic Lock Shoelaces with Reflective Threads, 3mm Running Triathlon Shoelaces, Easy Fit, More Comfortable, No-tie Speed Lock Laces, 120CM, Black

I used for running shoes during Triathlon. Easy to use and done the job.

Great. Fit for purpose

I love the idea of these but it is a total lie that they don't fray. I missed the top eye on my first lace-up (on the top of the shoe away from the others) and only spotted it after I had cut the laces to size, I immediately re-laced them but then couldn't get the end of the lace through the button ...so the first set have gone straight in the bin. However, I am confident enough to buy another set and try again. Just make sure you lace them correctly before cutting them and don't re-lace them in the future.

Great product, speeds up my response times getting my boots on much quicker before going mobile when on call.

They are OK, have lasted few months, stays firm and locked and good length. Starting to fray a bit I guess the usage expectation is 6 months or so.

As expected

They make shoes more comfortable because they are stretchy, so when you flex your foot as you walk, that bit of give stops your feet suffocating as you walk, but at the same time you can have them tight to get a good fit, which prevents your feet aching over time. I am on my feet all night in a warehouse with safety boots and things like this are important. I am constantly adjusting my laces and now I don't have to mess around. I can also slacken them off when I'm on my break and let my feet breathe

Easily and quickly fitted. Appear to work well so far.