Head-to-Head
Adizero Boston 13vsZoomfly 6
The Adizero Boston 13 and Zoomfly 6 are both speed trainer shoes built for road running. The Adizero Boston 13 retails for $160 while the Zoomfly 6 comes in at $170 — a $10 difference. The Zoomfly 6 is the lighter shoe at 8.6 oz versus 9.0 oz for the Adizero Boston 13. In our ratings, the Adizero Boston 13 edges out the Zoomfly 6 — 9.2/10 versus 8.8/10.
| Rating | 9.2 / 10✓ | 8.8 / 10 | |
| Price | $160✓ | $170 | |
| Weight | 9.0 oz | 8.6 oz✓ | |
| Category | Speed Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 8 mm | |
| Stack | 36 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Medium✓ | Medium✓ | |
| Breathability | Medium | Medium | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | High✓ | |
| Durability | Very Good | Very Good |
