Head-to-Head
Mach 6vsAero Razor
The Mach 6 is a daily trainer shoe while the Aero Razor is a speed trainer shoe. Both are priced at $140. The Aero Razor is the lighter shoe at 6.9 oz versus 8.2 oz for the Mach 6. In our ratings, the Mach 6 edges out the Aero Razor — 9.0/10 versus 8.9/10.
| Rating | 9.0 / 10✓ | 8.9 / 10 | |
| Price | $140✓ | $140✓ | |
| Weight | 8.2 oz | 6.9 oz✓ | |
| Category | Daily Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 5 mm | 4 mm | |
| Stack | 37 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Medium | High✓ | |
| Breathability | Breathable | Breathable | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | Medium | |
| Durability | Decent | Good✓ |
