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Best Support

Brooks Adrenaline GTS

The most name-dropped shoe in flat-feet running threads, praised for its GuideRails support system. A reliable daily trainer that works for most flat-footed runners without feeling overly stiff.

$130-$150
Pros
  • GuideRails support system limits excess movement without overcorrecting
  • Consistently recommended across multiple Reddit flat-feet communities
  • Comfortable out of the box for most runners
  • Wide range of widths available
Cons
  • Some users report it feels great in-store but fails at mile 2 on longer runs
  • Not universally effective — flat feet vary significantly in structure
  • Less cushioning than the Brooks Beast for severe flat feet
Why we recommend it

Brooks Adrenaline is the default recommendation for flat feet for a reason — it's forgiving, well-cushioned, and the GuideRails system does real work. Just know that some runners find it breaks down faster than expected past mile 2.

Reddit user

The surveys seem to all point to Brooks Adrenaline and ASICS Kayano.