Head-to-Head
Mach 6vsWave Sky 9
The Mach 6 is a daily trainer shoe while the Wave Sky 9 is a recovery / easy run shoe. The Mach 6 retails for $140 while the Wave Sky 9 comes in at $180 — a $40 difference. The Mach 6 is the lighter shoe at 8.2 oz versus 10.0 oz for the Wave Sky 9. Both score 9.0/10 in our ratings.
| Rating | 9.0 / 10✓ | 9.0 / 10✓ | |
| Price | $140✓ | $180 | |
| Weight | 8.2 oz✓ | 10.0 oz | |
| Category | Daily Trainer | Recovery / Easy Run | |
| Terrain | Road | Road | |
| Cushion | Medium | High | |
| Softness | Balanced | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 5 mm | 6 mm | |
| Stack | 37 mm | 44 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Medium✓ | Low | |
| Breathability | Breathable✓ | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | High✓ | |
| Durability | Decent | Good✓ |

