Head-to-Head
Adizero Adios 9vsAdizero Adios Pro 4
The Adizero Adios 9 is a speed trainer shoe while the Adizero Adios Pro 4 is a race shoe. The Adizero Adios 9 retails for $140 while the Adizero Adios Pro 4 comes in at $250 — a $110 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 7.1 oz for the Adizero Adios Pro 4. In our ratings, the Adizero Adios 9 edges out the Adizero Adios Pro 4 — 9.4/10 versus 9.3/10.
| Rating | 9.4 / 10✓ | 9.3 / 10 | |
| Price | $140✓ | $250 | |
| Weight | 6.2 oz✓ | 7.1 oz | |
| Category | Speed Trainer | Race Shoe | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 6 mm | |
| Stack | 28 mm | 39 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | High | Very High✓ | |
| Breathability | Warm | Warm | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | High✓ | |
| Durability | Good | Good |
