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Phantom 4 vs. Ultrafly 6

[TOPO Athletic](https://www.topoathletic.com/) [Find Your Fit | Shop Now](https://www.topoathletic.com/compare?items=9301,9453,10394,10455) Deciding which road shoe is right for you? Let’s compare! [Phantom 4](https://www.topoathletic.com/search?keywords=Phantom4) [Phantom 4 | Shop Now](https://