Head-to-Head
Adizero Boston 13vsWave Sky 9
The Adizero Boston 13 is a speed trainer shoe while the Wave Sky 9 is a recovery / easy run shoe. The Adizero Boston 13 retails for $160 while the Wave Sky 9 comes in at $180 — a $20 difference. The Adizero Boston 13 is the lighter shoe at 9.0 oz versus 10.0 oz for the Wave Sky 9. In our ratings, the Adizero Boston 13 edges out the Wave Sky 9 — 9.2/10 versus 9.0/10.
| Rating | 9.2 / 10✓ | 9.0 / 10 | |
| Price | $160✓ | $180 | |
| Weight | 9.0 oz✓ | 10.0 oz | |
| Category | Speed Trainer | Recovery / Easy Run | |
| Terrain | Road | Road | |
| Cushion | Medium | High | |
| Softness | Balanced | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 6 mm | |
| Stack | 36 mm | 44 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Medium✓ | Low | |
| Breathability | Medium | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | High✓ | |
| Durability | Very Good✓ | Good |

