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On Men's Size 6.5

A On men's size 6.5 fits like a standard US 6.5. Here's that in UK, EU and foot length, and what to order if you measure differently.

On runs true to size, so a men's On 6.5 is a standard US 6.5 (UK 5.5, EU 37, about 23.5 cm of foot). Order your usual size.
On 6.5 = US 6.5
UK 5.5 · EU 37 · foot ≈ 23.5 cm

What to order: your usual US size — a US 6.5 wearer takes a On 6.5.

On sizeFits like (US)UKEUFoot cm
6.56.55.537.523.9
7.57.56.538.524.7
⚠️ On (On Running) runs true to size for most, with a snug, performance fit.

On 7.5 → · Women's On 6.5

Full On size chart → · Brand size finder →

What size is a On men's 6.5?

It fits like a standard US 6.5 — UK 5.5, EU 37, about 23.5 cm of foot length.

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