Asking for a friend: Double or Single Knots?

A recent Facebook poll on my favorite Running group asked if we preferred double, or single knots on our running shoes. The results are a mixed bag, with a few write-ins for Velcro (I’m not sure if they are serious), Lace-locks, and bungees.

I’m a little torn b/c I’m an in-between kinda guy, maybe not in the Velcro. Okay, I realize that was joke, but still. Allow me to explain- it all boils down to the shoe laces.

**SCIENCE ALERT! What follows is a highly scientific and comprehensive review, I am a professional, do not try this at home, results will vary!**

My Brooks Launch 4’s laces are perfect for a single knot, they are semi-round /oval, soft with reinforced ridged edges. The laces don’t stretch or flex very much, but there’s enough give that they hold a knot very well. When tied correctly, a single knot will suffice for all activities.

Using my extensive and highly scientific methods of measurement we see that the shoelace has approximately a 5/16″ stretch for every 6″ of shoelace. This is not sponsored or endorsed by Lowes.

My Hoka Bondi 4’s laces are complete garbage (sorry Hoka) I would double knot those bad boys only to have them fall apart – even when tied correctly! I gave up on those solid ridged laces and replaced them with iBungee laces. The bungee laces have treated me very well and I actually feel like my feet breath a little better.

No stretch test- it’s bungee folks. Don’t get carried away.

My Merrell Agility’s are a double knot kinda of shoe. The laces are flat with no hard ridges, single knots seem to slip up too easily because they stretch a fair amount while running. Plus, when it comes to trail running, I’ll take the added assurance of a double knot.

Again, utilizing extensive and highly scientific methods of measurement we see that the shoelace has approximately a 13/16″ stretch for every 6″ of shoelace.

My Mizuno Wave Rider’s laces are round, super soft, super stretchy, and yet hold a perfect knot. I have these tied in a lace lock fashion, so I’m sure that is an added bonus.

Using my extensive method of measurement we see that the shoelace has approximately a 1-3/8″ stretch for every 6″ of shoelace.

My New Balance 880’s have a flat shoelace with a center reinforced stitch. These laces hold a single knot extremely well, and have very little to no stretch. No stretch has its drawbacks especially if you tie them too tight.

Finally, using my highly scientific method of measurement we see that the shoelace has approximately a 1/4″ stretch for every 6″ of shoelace.

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