Head-to-Head
SonicblastvsAlphafly 3
The Sonicblast is a speed trainer shoe while the Alphafly 3 is a race shoe. The Sonicblast retails for $180 while the Alphafly 3 comes in at $285 — a $105 difference. The Alphafly 3 is the lighter shoe at 7.0 oz versus 9.0 oz for the Sonicblast. In our ratings, the Sonicblast edges out the Alphafly 3 — 9.1/10 versus 8.9/10.
| Rating | 9.1 / 10✓ | 8.9 / 10 | |
| Price | $180✓ | $285 | |
| Weight | 9.0 oz | 7.0 oz✓ | |
| Category | Speed Trainer | Race Shoe | |
| Terrain | Road | Road | |
| Cushion | High | Medium | |
| Softness | Balanced | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 8 mm | 8 mm | |
| Stack | 46 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Medium | High✓ | |
| Breathability | Breathable | Breathable | |
| Traction | High✓ | Low | |
| Shock Absorption | High✓ | Medium | |
| Durability | Decent✓ | Bad |
