One of the downsides of closed-channel leather soles is that the thin leather flap covering the stitching can sometimes get damaged. A sharp rock, excess moisture, or simply regular wear can cause the flap to lift or tear away, leaving what looks like a rather ugly hole in the bottom of your shoe.

For someone unfamiliar with how closed-channel soles are made, this can be alarming. You might think your sole is falling apart or that you’ve somehow ruined your shoes. But thankfully, that’s usually not the case.

👉Watch the full Video Tutorial:

Why Closed-Channel Soles Get Damaged

For those unfamiliar with the construction, a closed-channel sole is made by cutting a thin flap into the leather outsole, lifting it to expose the area where the sole stitching will be placed, and then gluing it back down once the stitching is complete.

This conceals the stitching and gives the bottom of the sole that clean, uninterrupted appearance often associated with higher-end dress shoes.

The downside is that the covering is nothing more than a thin piece of leather held down with adhesive. Catch it on a sharp rock, or allow enough moisture to weaken the glue, and that flap can start peeling away.

But here’s the important part: the flap isn’t what holds your sole together. Its purpose is primarily aesthetic. An open-channel leather sole has exposed stitching from the very beginning, and there’s nothing inherently wrong with that. I think that this general misunderstanding is what confuses people and often causes alarm.

In fact, as you wear your closed-channel soles, that covering will eventually wear down, potentially exposing the stitching underneath anyway. I always joke, a closed-channel sole is really just an open-channel sole waiting to happen.

How to Repair a Damaged Closed-Channel Sole

In the video, I show a pair of my own shoes where a rock appears to have caught the channel flap and torn away a section of leather.

Fortunately, cleaning up this kind of damage is relatively straightforward.

Using a small sanding brush/brick or some fine sandpaper, gently sand down the damaged area to remove any loose, raised pieces of leather. The idea isn’t to rebuild the channel, but simply to flatten everything out so that the remaining flap doesn’t continue catching on the ground.

You’ll want to be careful around the edges of the sole and, naturally, avoid sanding into the stitching itself. You’re only trying to smooth the damaged leather, not remove any more of the outsole than necessary.

Once you’ve done this, regular wear on dry concrete will help smooth out the remaining roughness.

If you want to tidy up the appearance further, you can use a little Saphir Edge & Heel Dressing around the finished edges to restore the color where necessary.

Don’t Mistake Cosmetic Damage for a Broken Sole

Ultimately, closed-channel stitching is an aesthetic detail, and a damaged channel flap doesn’t automatically mean there’s anything wrong with your shoes.

Naturally, if the actual stitching is damaged or your outsole is separating, that’s a different situation altogether.

But if you’ve simply caught the leather flap on something and chipped a piece away, there’s generally no reason to worry. A little sanding can clean things up nicely and help prevent further peeling.

Check out the video above to see just how easily this can be done.

As always, thanks for reading and watching!

—Justin FitzPatrick, The Shoe Snob

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