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Test Bench 0.13  
Changelog

 0
By David Kroeker-MausUpdated Jun 30, 2026 at 04:40 pm

Our running shoes Test Bench 0.13 aims to identify and photograph under a microscope the different foams that make up a shoe's midsole. Many manufacturers will use the same trademarked name for foams that use vastly different compounds. This update highlights not only the foam name and compound type (when available), but also a microscope image of the foam cells to give you an idea of the foam's microstructure. This should help you cut through marketing claims around midsole foams and decide on the best shoe for your needs.

The new Foam box.

What's Changed?

Test Group Description
Design | Foam
  • Microscope image of primary and secondary (when applicable) foam cells.
  • The advertised name of the primary foam used in the midsole.
  • The advertised compound type of the primary foam used in the midsole.
  • The advertised name of the secondary foam used in the midsole.
  • The advertised compound type of the secondary foam used in the midsole.

Conclusion

This test bench update should bring more clarity on why certain foams outperform others and provide the information needed to differentiate between foam types.

62 Running Shoes Updated So Far

We are retesting popular models first. So far, the test results for the following models have been converted to the new testing methodology. However, the text might be inconsistent with the new results.

137 Running Shoes Planned To Be Updated

We are also planning to retest the following products over the course of the next few weeks:

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