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Hiking boots size

What size hiking boots for foot 25.5 cm (US M 7.5 / W 9)?

Recommended size
US M 7.5 / W 9

If your foot length is foot 25.5 cm (US M 7.5 / W 9), go with US M 7.5 / W 9. Hiking boots are sized by foot length, but you typically go a half size up from street shoes to leave room for thick socks and downhill toe slide.

Enter your foot length to see your recommended size.

Full hiking boots size chart

Your foot lengthRecommended size
foot 23.5 cm (US M 5.5 / W 7)US M 5.5 / W 7
foot 24.5 cm (US M 6.5 / W 8)US M 6.5 / W 8
foot 25.5 cm (US M 7.5 / W 9)US M 7.5 / W 9
foot 26.5 cm (US M 8.5 / W 10)US M 8.5 / W 10
foot 27.5 cm (US M 9.5 / W 11)US M 9.5 / W 11
foot 28.5 cm (US M 10.5)US M 10.5
foot 29.5 cm (US M 11.5)US M 11.5

How to measure

  1. Stand on paper at the end of the day (feet are largest then).
  2. Mark heel and longest toe, measure the distance in cm.
  3. Add room for a thick sock and downhill descents.
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What changes your size

Long descents / backpackingSize up half a size to protect toes.
Wide feetChoose a wide last rather than sizing up.
Thick winter socksAdd half a size for sock volume.

FAQ

What size hiking boots for foot 25.5 cm (US M 7.5 / W 9)?
If your foot length is foot 25.5 cm (US M 7.5 / W 9), the recommended hiking boots size is US M 7.5 / W 9.
Should hiking boots be bigger than normal shoes?
Usually half a size up to allow thick socks and toe room downhill.
How do I measure foot length?
Heel to longest toe in cm, measured while standing.