Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Table of Contents

The Shoe Fitting Problem

Studies consistently show that a significant majority of adults — estimates range from 60 to 88 percent depending on the population studied — wear shoes that do not correctly fit their feet in length, width, or both. The consequences are significant: shoes that are too narrow compress the metatarsal heads and contribute to Morton neuroma, bunion progression, hammertoe development, and blisters. Shoes that are too short cause nail damage and toe crowding. Shoes that are too long allow the foot to slide forward with each step, creating shear forces on the forefoot. Addressing shoe fit is one of the most impactful and cost-effective interventions in podiatric practice.

Measuring Your Feet Correctly

The first step to proper shoe fitting is accurate foot measurement — ideally performed standing, because the foot spreads and lengthens under weight bearing by 3 to 8 percent compared to a seated measurement. At a Brannock device measurement (the metal measuring tool standard in shoe stores), both feet should be measured, as one foot is typically larger than the other — always fit to the larger foot. The measurement should capture both the heel-to-toe length and the ball width at the widest part of the foot. Women who have been wearing the same shoe size for decades should be remeasured — foot size increases with age and weight as the plantar ligaments relax.

What Proper Fit Looks Like

A properly fitted shoe provides approximately one half inch (about 1.25 centimeters) of space between the end of the longest toe and the front of the shoe — enough space to push a finger tip between the toe and the shoe end. The widest part of the shoe should match the widest part of the foot exactly — not be tighter, which causes metatarsal compression, and not be dramatically wider, which causes sliding. The heel should fit snugly without slipping during walking. Most shoe brands offer widths from narrow (AA, A) through wide (2E) to extra-wide (4E) — selecting the appropriate width is as important as selecting the correct length.

Shoes for Different Foot Types

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Flat feet (pes planus) generally require shoes with motion control or stability features that reduce medial collapse — typically indicated on the medial side by a firmer EVA foam post or a straight last design. High-arched feet (pes cavus) benefit from neutral cushioned shoes with maximum shock absorption and no stability features that restrict the foot is normal pronation. Wide forefoot with narrow heel — a common proportional challenge — is best accommodated by shoes with a wider toe box in their standard last or by using adjustable lacing systems that tighten the heel independently. At Balance Foot & Ankle, we provide footwear recommendations as part of every biomechanical evaluation, matching shoe characteristics to individual foot type and clinical condition.

Related Guides

• plantar fasciitis
• Toenail Fungus
• Neuropathy
• bunions
• custom orthotics

Recommended insole: The Powerstep Pinnacle Orthotic Insoles improve arch support and cushioning in most shoe types. In our clinic, we recommend these as an affordable option for patients who need better support but are not yet ready for custom orthotics.

Frequently Asked Questions

How often should I measure my feet?

Feet change shape and size throughout life due to aging, weight changes, pregnancy, and medical conditions. We recommend measuring both feet at least once per year, and always before purchasing new shoes. Many adults discover their feet have grown a half to full size since they last measured.

What time of day should I buy shoes?

Shop for shoes in the late afternoon or evening when your feet are at their largest. Feet swell throughout the day due to gravity and activity, expanding by as much as half a size. Shoes that fit perfectly in the morning may feel tight by dinnertime.

Should I buy shoes based on my larger foot?

Yes, always fit shoes to your larger foot. Most people have one foot that is slightly longer or wider than the other. Fitting to the smaller foot causes cramping and pressure on the larger side, leading to blisters, calluses, and toenail problems. An insole or heel pad can take up extra space in the shoe on the smaller foot.

The Bottom Line

Wearing properly fitted shoes is one of the simplest ways to prevent foot pain and deformities. A quick professional measurement and attention to width, toe box depth, and arch support can save years of discomfort. If you are experiencing foot pain related to footwear, a podiatric evaluation can identify the cause and recommend the right shoe modifications.

Professional Shoe Fitting Guidance From Our Podiatrists

Wearing improperly fitted shoes is one of the top causes of foot pain, bunions, and toe deformities. Our podiatrists provide shoe fitting advice and custom orthotics at our Howell and Bloomfield Hills offices.

Learn About Custom Orthotics | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Menz HB, Morris ME. Footwear characteristics and foot problems in older people. Gerontology. 2005;51(5):346-351. doi:10.1159/000086373
2. Harrison SJ, et al. Incorrectly fitted footwear, foot pain and foot disorders: a systematic search and narrative review of the literature. J Foot Ankle Res. 2014;7(1):43.
3. Branthwaite H, et al. The effect of shoe design on comfort and plantar pressures in older people. J Foot Ankle Res. 2013;6(Suppl 1):O17.