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How Should Shoes Fit? A Checklist From Orthopedic Surgeons

Half an inch at the toe, a heel that doesn’t slip, and the socks you’ll actually wear. Here’s how the American Academy of Orthopaedic Surgeons says to shop for shoes.

By SHOP & SPOT EditorsLast reviewed Nov 9, 2026Research-based guide · 1 sources

This guide has no shopping links. When a guide does, we may earn a commission; it doesn’t change what we recommend. Affiliate disclosure

A woman looking at a pair of shoes in a shoe store.

Photo: Vlad Vasnetsov on Unsplash

This guide is for anyone buying shoes or winter boots, in a store or online, who wants a pair that fits from day one.

Shoes that don’t fit can cause foot pain and problems over time. The good news is that a proper fit is easy to check if you know what to look for.

The quick answer

The American Academy of Orthopaedic Surgeons (AAOS) says you should have about 1/2 inch of space between your longest toe and the tip of the shoe.1 It also says not to buy a shoe that needs to be stretched or that requires pads to fit.1

When and how to shop

  • Shop late in the day. AAOS suggests buying shoes toward the end of the day to ensure maximum comfort.1 Feet tend to swell as the day goes on.
  • Get measured every year. AAOS notes that feet can grow as we age.1
  • Fit the bigger foot. One foot may be slightly larger than the other, and AAOS says you may need to size up for the larger one.1
  • Bring the right socks. Wear socks of the same thickness you plan to wear with the shoes.1 That matters most for winter boots.

The fit check in the store

Check What good looks like
Toe room About 1/2 inch between your longest toe and the tip1
Heel Stays in place. AAOS notes that if the upper is too loose, the heel may slip out1
Width No pinching across the widest part of your foot (our advice)
Comfort Comfortable right away, with no stretching or pads needed1

Our advice: stand up and walk around on a hard floor, not just carpet, before you decide.

Buying online

Our advice:

  1. Measure your feet at the end of the day with the socks you’ll wear.
  2. Use that brand’s own size chart, not your usual size.
  3. Check the return policy before you order, and try shoes on indoors first.

Quick checklist

  • Shop late in the day.
  • Measure both feet; fit the larger one.
  • Leave about half an inch at the toe.
  • Heel stays put when you walk.
  • Comfortable now, not “after breaking in.”

Sources & method

How we researched this

  • This is a research-based guide, not a hands-on product test.
  • Every measurement and safety figure is attributed to the source it comes from. Where we give our own advice, we say so.
  • We don’t rank or recommend specific products in this guide.

Sources

  1. Shoes: Finding the Right Fit, American Academy of Orthopaedic Surgeons (OrthoInfo). Accessed Nov 9, 2026.

Review history

  • Published Nov 9, 2026.