The Ace is a lightweight trainer that gives a reasonable amount of cushioning and stability in a neutral shoe. The midsole is a little thicker than with the Adios and the Mana, but a bit extra in the heel. This, for those whose calves and Achilles tendons need a bit more cushion than offered by the Adios or the Mana. The fit is, like almost all Adidas models, on the narrow side. The lining in all Adidas shoes is made from a non-slippery material which works well, even when running without socks.

This shoe is suitable for neutral runners who like a bit more cushioning and who like to feel a bit more shoe surrounding their feet. The Adizero Ace is available in specific male and women lasts. The weight in a men's size 9 is 7.3 oz.

As an aside, just over a year ago triathlete Dave Jewell, then working for Adidas, started a discussion on the Slowtwitch Reader Forum explaining the shoes in the Adizero category. It's slightly dated, but, still has legs (even though Dave now works for Zoot's footwear division), especially since forum threads often have a way of keeping themselves current.