Head-to-Head
Metaspeed RayvsAero Glide 4
The Metaspeed Ray is a race shoe while the Aero Glide 4 is a daily trainer shoe. The Metaspeed Ray retails for $300 while the Aero Glide 4 comes in at $160 — a $140 difference. The Metaspeed Ray is the lighter shoe at 4.6 oz versus 9.0 oz for the Aero Glide 4. In our ratings, the Metaspeed Ray edges out the Aero Glide 4 — 9.1/10 versus 9.0/10.
| Rating | 9.1 / 10✓ | 9.0 / 10 | |
| Price | $300 | $160✓ | |
| Weight | 4.6 oz✓ | 9.0 oz | |
| Category | Race Shoe | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | High | |
| Softness | Soft | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 5 mm | 8 mm | |
| Stack | 39.5 mm | 42 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Very High✓ | High | |
| Breathability | Medium | Medium | |
| Traction | High | High | |
| Shock Absorption | High | High | |
| Durability | Decent | Good✓ |

