Head-to-Head
Aero Glide 4vsAero Razor
The Aero Glide 4 is a daily trainer shoe while the Aero Razor is a speed trainer shoe. The Aero Glide 4 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 Aero Glide 4. In our ratings, the Aero Glide 4 edges out the Aero Razor — 9.0/10 versus 8.9/10.
| Rating | 9.0 / 10✓ | 8.9 / 10 | |
| Price | $160 | $140✓ | |
| Weight | 9.0 oz | 6.9 oz✓ | |
| Category | Daily Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | High | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 8 mm | 4 mm | |
| Stack | 42 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Medium | Narrow | |
| Energy Return | High✓ | High✓ | |
| Breathability | Medium | Breathable✓ | |
| Traction | High | High | |
| Shock Absorption | High✓ | Medium | |
| Durability | Good | Good |
