Head-to-Head
Adizero Adios 9vsWave Sky 9
The Adizero Adios 9 is a speed trainer shoe while the Wave Sky 9 is a recovery / easy run shoe. The Adizero Adios 9 retails for $140 while the Wave Sky 9 comes in at $180 — a $40 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 10.0 oz for the Wave Sky 9. In our ratings, the Adizero Adios 9 edges out the Wave Sky 9 — 9.4/10 versus 9.0/10.
| Rating | 9.4 / 10✓ | 9.0 / 10 | |
| Price | $140✓ | $180 | |
| Weight | 6.2 oz✓ | 10.0 oz | |
| Category | Speed Trainer | Recovery / Easy Run | |
| Terrain | Road | Road | |
| Cushion | Low | High | |
| Softness | Soft | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 6 mm | |
| Stack | 28 mm | 44 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | High✓ | Low | |
| Breathability | Warm | Medium✓ | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | High✓ | |
| Durability | Good | Good |
