Heel Repair Patch

The main reason why holes occur in our running shoes is
friction, and the reason for friction may depend on the following:

The most common reason is that the toes may be prone to dorsiflexion,
where the toes turn upwards. This can occur more often if you are a heal striker,
hitting the ground first with your heel, as opposed to the middle of your foot
or the front of your foot. This is the same if people wear their trainers for
walking, exercising, or running. It is the most common reason why holes occur
in running shoes. The reason why it occurs is because the big toes rubs against
the mesh from the inside of the shoe. This is caused by an important factor. If
the hallux joint does not move freely in its full range of motion when loaded
(when you life the toe), then the distal phalanx will overextend to compensate
for this lifting of the toe and occurs at a time when the mesh is close at the
toes (a fraction of a second than it should). This slight difference in the
timing and angle of the extension of the end of the toe (which contains the tip
of the toenail), rather than the entire toe, is sufficient, when repeated
thousands of times when running or walking, to cause the mesh to wear quickly.
It is not uncommon for you to see the mesh wear out after a few weeks.

Other reasons for wear of the mesh of your running shoes is
that the toenails may be too long, causing direct friction with the material. Shoes
of incorrect size, whether too large or too small, can cause the appearance of
holes; too small and the top of the toe is always in contact with the material;
too large and the foot is allowed to move too much inside of the shoe causing
holes.