Impact of Insoles or inserts on Size charts

This post was last updated on November 3rd, 2020 at 10:01 am

Many make the mistake of measuring the insole as foot size. That is totally wrong. The impact of insoles or inserts on size charts, when you want to find your correct shoe size is huge.

The difference between foot length and insole length

As a rule of thumb:

  • Insole length is foot length + 1 centimeter
  • Insole length is foot length + 0.375 inch or 3/8 of an inch

Impact of insoles or inserts on size charts

Inserts or orthotics affect the way a shoe fits. Shoe inserts or foot orthotics will take up shoe space intended for your feet. If you require inserts or orthotics, you’ll need more space in your shoe; otherwise, the inserts can’t function properly, and your shoes won’t fit right.

This rule counts for the use of orthotic insoles and the regular comfort insoles you buy to improve your shoes’ daily use.
A shoe is always produced with a certain insole in the factory.

  1. If the factory insole is removable, compare it with the insole you want to replace it with. When there’s no real difference in thickness between both: Keep your normal size
  2. if the factory insole is removable, compare it with the insole you want to replace it with. When the replacement insole or insert has more volume: buy half a pair bigger than your normal size
  3. if the factory insole is removable, compare it with the insole you want to replace it with. When the replacement insole or insert has less volume: buy half a pair smaller than your normal size
  4. if the factory is glued inside the shoe, it’s normally a flat cemented insole or inserts.
    The same is applicable as in point 1-3.

Why use insoles?

While insoles don’t physically make a shoe smaller, they fill out the empty space between your feet the inside of the shoeInsoles are also a way to keep shoes fresh as they can be taken out and cleaned. Plus, they can be used together with toe inserts when shoes are too big, providing additional support.

The most common reason to choose an insole is to make your shoe feel slightly smaller and fit better. But insoles can also provide:

  • A better fit. Standard shoe sizes can fit differently depending on where you shop, and it can often be difficult to find a half size. Sometimes, the best option is to choose a slightly too big shoe, then add an insole to fill up a little more of the shoe for a tighter fit. The best insole for shoes that are too big depends on your personal preference. You can always layer a couple of different insoles on top of each other to pad the shoe out.
  • Added warmth. As well as making your shoes fit better, insoles can also help your feet feel warmer. Adding an extra layer that helps you to insulate your feet in colder weather.
  • Prevention against blisters. Insoles can also help to prevent blisters. A tighter-fitting shoe won’t rub as much and cause irritation and discomfort.
  • Improved posture. Insoles can also be used to help correct issues with posture. These types of insoles are specialized and are known as orthotics or orthotic insoles. They can be custom-made to provide appropriate treatment for certain problems that affect standing, walking, or running – providing arch support where it is needed.

Do we need different insoles for sport and city use?

Insufficient cushioning and support may be responsible for the feeling of tired feet. Better comfort can significantly improve their health.

For everyday life and sport, each model has its own specificities and the needs are different:

For the city: cushioning gel, thin layer, maintenance and hygiene

For running: cushioning, flexibility, lightness and dynamism

For hiking: support and protection, with cushioning

For winter sports: heat and cold insulation, maintenance, stability and protection

Impact on shoe sizes and fitting

Running/walking:
Does taking the insoles out of shoes make them bigger?
It will make the shoe fit roughly a half size larger and, depending on the removed insert, significantly firmer. Actually discovered this while running in a downpour: insoles started sliding around inside the shoe, so I took them out.

Can insoles make shoes smaller?
While insoles don’t physically make a shoe smaller, they fill out the empty space between your feet the inside of the shoeInsoles are also a way to keep shoes fresh as they can be taken out and cleaned. Plus, they can be used together with toe inserts when shoes are too big, providing additional support.

Can you take the insoles out of Nikes?Nike makes replacement soles for many of its shoes, and companies like Dr. Scholl’s also make many types of insoles that can be used in Nike shoes. … It is not absolutely necessary to remove the original, especially if it is still in good shape and is glued into the shoe.

Is it okay to wear shoes half a size too big?
No, you should wear shoes that fit your feet rather than bigger than what properly fits you. … Too big shoes means you will be accommodating the bad fit in a dysfunctional way and can lead to foot problems as well as blisters from your feet sliding around in too big shoes. An insert or a good insole will help getting the perfect fit

Do I remove original insoles when using orthotics?
It is always advisable to remove the footbed or insole from your shoes and replace them with your custom foot orthotics. You should not place your orthotics on top of the existing insoles. Your orthotics work best when they rest securely in your shoe, directly on the midsole (interior) of the shoe

How often should you change insoles?
You should replace your insoles between 6-12 months with regular use. Check to see if your soles are providing the support and cushioning you‘re looking for. If not, it’s time to change them for happier feet and joints.

Should you replace insoles in running shoes?
Since runners tend to put their shoes under an above-average amount of stress, you‘re going to need a durable pair of insoles. Still, keep in mind that your insoles will likely wear out before your shoes do and you may need to replace them every few months.

How do I take care of my insoles?

Looking after your insoles can prolong their life and in turn make your shoes last longer, too. Here are some top tips for insole care to keep yours in great condition:

  • Remove them from your shoes to let them dry out. If you have insoles in your everyday shoes, they can easily get sweaty and the moisture can get trapped inside so take them out every so often to let them breathe.
  • Hand wash insoles. Simply wash your insoles in water with a mild detergent or sports detergent, rinse out and leave them to dry out before placing them back into your shoes.

Insoles can help you overcome a number of issues relating to comfort and posture. They are always handy to have as they help with so much. Don’t discard shoes that are a little too big before you’ve tried an insole.

If you’re still having problems getting comfy in your shoes, check out our guide to choosing comfortable shoes for a little extra help.

Adults, Comfort Size Charts, How To, Kids, Shoe Size Chart, Shoe size charts, Size Charts

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