Head-to-Head
Adizero Adios 9vsNeo Zen
The Adizero Adios 9 is a speed trainer shoe while the Neo Zen is a daily trainer shoe. The Adizero Adios 9 retails for $140 while the Neo Zen comes in at $150 — a $10 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 8.5 oz for the Neo Zen. In our ratings, the Adizero Adios 9 edges out the Neo Zen — 9.4/10 versus 9.0/10.
| Rating | 9.4 / 10✓ | 9.0 / 10 | |
| Price | $140✓ | $150 | |
| Weight | 6.2 oz✓ | 8.5 oz | |
| Category | Speed Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 6 mm | |
| Stack | 28 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | High✓ | High✓ | |
| Breathability | Warm | Medium✓ | |
| Traction | Medium✓ | Low | |
| Shock Absorption | Medium | High✓ | |
| Durability | Good | Very Good✓ |
