Clarify who made the assessment
The word severe may come from a clinical assessment, a shop conversation or your own impression of a video. Those sources do not carry the same information. If a clinician used the term, ask which footwear features matter for your situation and whether an insert is part of the plan. If it came from a sales discussion, ask what was observed and what remains uncertain. Avoid translating the word directly into the heaviest or firmest product. Your next useful step is understanding the recommendation, not searching for an impressive support rating.
Examine the whole base and upper
When comparing more substantial shoes, inspect the footprint, heel counter and closure as a system. Does your foot sit comfortably over the platform? Can the laces secure the middle without squeezing it? Does the heel remain seated when you walk and turn? A broad sole is not enough if your foot slides inside the upper. Equally, a tight upper is not proof of effective guidance. Take time to distinguish comfortable contact from pressure that becomes the main thing you notice with each step.
Bring existing equipment into the fitting
If you use prescribed orthoses, take them and the shoes in which they currently fit. The new pair must accommodate the complete setup, not merely your foot without the insert. Royal National Orthopaedic Hospital advises taking insoles when buying shoes and choosing footwear that fits comfortably with them installed. Ask your clinician about any uncertainty concerning the combined setup. Do not cut, reshape or discard a prescribed device merely to make a promising shoe fit. A product description saying roomy cannot substitute for trying the actual combination.
Make a controlled purchasing decision
Choose a seller whose trial and return terms allow a reasonable assessment, and establish what would count as a successful fit before committing. Record practical outcomes such as secure heel hold, sufficient toe room and whether the shoe works for the planned activity. More noticeable guidance is not automatically a better result. If the reason for shopping includes a new change in foot shape, increasing pain or difficulty walking, a footwear ranking is an incomplete answer. NHS guidance on flat feet specifically recommends assessment for problems such as new flattening, weakness or balance difficulty; discuss that concern rather than simply moving up a support category.
Questions about this topic
Can I grade severity from a photo of my shoes?
A photo does not provide the information needed for an individual clinical assessment. It can show wear or fit details worth discussing, but it cannot select your treatment or exact shoe.
Should maximum support feel forceful?
Forceful pressure is not a useful purchase goal. Ask whether the complete shoe fits and functions comfortably in your activity, with any professional requirements incorporated.