Head-to-Head
Streakfly 2vsAero Glide 4
The Streakfly 2 is a race shoe while the Aero Glide 4 is a daily trainer shoe. The Streakfly 2 retails for $180 while the Aero Glide 4 comes in at $160 — a $20 difference. The Streakfly 2 is the lighter shoe at 5.1 oz versus 9.0 oz for the Aero Glide 4. In our ratings, the Aero Glide 4 edges out the Streakfly 2 — 9.0/10 versus 8.9/10.
| Rating | 8.9 / 10 | 9.0 / 10✓ | |
| Price | $180 | $160✓ | |
| Weight | 5.1 oz✓ | 9.0 oz | |
| Category | Race Shoe | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Low | High | |
| Softness | Soft | Balanced | |
| Drop | Low | Medium | |
| Drop (mm) | 4 mm | 8 mm | |
| Stack | 27 mm | 42 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Very High✓ | High | |
| Breathability | Breathable✓ | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Low | High✓ | |
| Durability | Bad | Good✓ |

