The Importance of Insoles in Professional Footwear Fit
Updated: Sep 8
Insoles can significantly enhance comfort, support, and the overall fit of footwear. However, they are not universal solutions. In many cases, the insole becomes part of the shoe’s internal geometry. Therefore, the width, thickness, and profile of the insert must align with the shoe itself. If the insole is too thick or bulky, it can reduce the interior volume, resulting in a tighter, less comfortable fit rather than an improved one.
What Insoles Do?
An insole is more than just a cushion; it alters how the foot sits inside the shoe. Depending on its design, it can enhance support, redistribute pressure, and improve comfort. However, it may also affect toe space, instep room, and heel security. This means that the same insole may perform well in one shoe but fail in another, particularly when the shoe's volume is limited.
Why Insole Shape and Thickness Matter
The insole must closely match the shoe’s original internal shape and volume. In low-volume shoes, such as moccasins and dress shoes, the original footbed is often thin and low-profile. Adding a cushioned insole may enhance softness but can also reduce available space inside the shoe. If the fit is already snug, this added bulk can make the shoe feel too tight and alter the intended fit.
In low-volume shoes, the original footbed is typically thin and low-profile. While a cushioned insole may improve comfort, it also increases thickness and changes the internal volume of the shoe. If the fit is already close, this extra bulk can lead to discomfort and a compromised fit.
When Insoles Help: Matching Shoe Fit
A properly selected insole can be beneficial when a shoe is slightly too roomy, when extra cushioning is needed, or when a lower-volume insert is required for a low-volume shoe. Research on footwear comfort indicates that adding insoles can improve comfort across various shoe types. However, the outcome is contingent upon the compatibility between the insert and the shoe.
When Insoles Create Problems
A thicker or poorly chosen insole can crowd the shoe, elevate the foot too high, and create a fit issue that did not previously exist. This is particularly important in dress shoes, moccasins, and other refined footwear where internal space is limited. In such cases, an insole can unintentionally transform a correct fit into an ill-fitting one.
Selecting the Right Insole
The safest approach to selecting an insole involves considering the following factors:
Shoe volume
Shoe width
Shoe type
Foot shape
Purpose of use
Low-volume shoes typically require low-volume insoles, while roomier shoes may accommodate thicker inserts more effectively. Thus, the decision regarding fit should never be based solely on cushioning.
The Real Question: Do Insoles Fit?
The essential question is not whether insoles are beneficial or detrimental, but rather whether the chosen insole aligns with the shoe and the foot it is intended to support. A well-selected insole can enhance comfort, while a mismatched one can diminish internal space and worsen the fit. In modern footwear fitting, the insole should be regarded as part of the comprehensive shoe fitting system, rather than merely an isolated comfort enhancement.
The Role of Professional Footwear in Occupational Safety
In professional settings, the right footwear is crucial for safety and performance. Employees who wear appropriate shoes are less likely to suffer from foot-related injuries. Therefore, organizations must prioritize the procurement of footwear that not only fits well but also supports the health and productivity of their workforce.
The insole is part of footwear fit
Whether you wear casual shoes, sports shoes, hiking footwear or occupational footwear, adding or replacing an insole can change the space available inside the footwear.
A thicker insole may, for example, raise the foot, reduce the space around the toes or instep, or change how the heel is held. Conversely, a lower-volume insole may leave more space inside the footwear.
The insole should therefore be considered part of the overall footwear fit, rather than as an independent component that can be replaced without considering its effect on the internal space.
Conclusion
An insole can improve comfort, but it also changes the internal environment of the footwear.
Wondering whether your insoles are suitable for your current footwear? Leave us a message or book a slot for a Footwear Fit Evaluation.
References
Banwell, H. A., et al. Incorrectly fitted footwear, foot pain and foot disorders: a systematic search and narrative review of the literature.
Menz, H. B., & Bonanno, D. R. Footwear comfort: a systematic search and narrative synthesis of the literature.
The American Podiatric Medical Association. Prescription Custom Orthotics and Shoe Inserts.
Custom-Made Foot Orthotics for People With Lower Limb Conditions.
Footwear, Orthoses, and Insoles and Their Effects on Comfort and Function.
Comments