Head-to-Head
Adizero Adios 9vsZoomfly 6
The Adizero Adios 9 and Zoomfly 6 are both speed trainer shoes built for road running. The Adizero Adios 9 retails for $140 while the Zoomfly 6 comes in at $170 — a $30 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 8.6 oz for the Zoomfly 6. In our ratings, the Adizero Adios 9 edges out the Zoomfly 6 — 9.4/10 versus 8.8/10.
| Rating | 9.4 / 10✓ | 8.8 / 10 | |
| Price | $140✓ | $170 | |
| Weight | 6.2 oz✓ | 8.6 oz | |
| Category | Speed Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 8 mm | |
| Stack | 28 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | High✓ | Medium | |
| Breathability | Warm | Medium✓ | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | High✓ | |
| Durability | Good | Very Good✓ |
