Head-to-Head
Supernova Prima 2vsAero Razor
The Supernova Prima 2 is a recovery / easy run shoe while the Aero Razor is a speed trainer shoe. The Supernova Prima 2 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 9.8 oz for the Supernova Prima 2. In our ratings, the Supernova Prima 2 edges out the Aero Razor — 9.2/10 versus 8.9/10.
| Rating | 9.2 / 10✓ | 8.9 / 10 | |
| Price | $160 | $140✓ | |
| Weight | 9.8 oz | 6.9 oz✓ | |
| Category | Recovery / Easy Run | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 8 mm | 4 mm | |
| Stack | 39 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Medium | Narrow | |
| Energy Return | High✓ | High✓ | |
| Breathability | Warm | Breathable✓ | |
| Traction | High | High | |
| Shock Absorption | Medium | Medium | |
| Durability | Decent | Good✓ |
