Head-to-Head
Adizero Boston 13vsAero Razor
The Adizero Boston 13 and Aero Razor are both speed trainer shoes built for road running. The Adizero Boston 13 retails for $160 while the Aero Razor comes in at $140 — a $20 difference. The Aero Razor is the lighter shoe at 6.9 oz versus 9.0 oz for the Adizero Boston 13. In our ratings, the Adizero Boston 13 edges out the Aero Razor — 9.2/10 versus 8.9/10.
| Rating | 9.2 / 10✓ | 8.9 / 10 | |
| Price | $160 | $140✓ | |
| Weight | 9.0 oz | 6.9 oz✓ | |
| Category | Speed Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 6 mm | 4 mm | |
| Stack | 36 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Medium | High✓ | |
| Breathability | Medium | Breathable✓ | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | Medium | |
| Durability | Very Good✓ | Good |
