Head-to-Head
Guide 19vsAero Glide 4
The Guide 19 and Aero Glide 4 are both daily trainer shoes built for road running. The Guide 19 retails for $150 while the Aero Glide 4 comes in at $160 — a $10 difference. The Aero Glide 4 is the lighter shoe at 9.0 oz versus 9.7 oz for the Guide 19. In our ratings, the Aero Glide 4 edges out the Guide 19 — 9.0/10 versus 8.5/10.
| Rating | 8.5 / 10 | 9.0 / 10✓ | |
| Price | $150✓ | $160 | |
| Weight | 9.7 oz | 9.0 oz✓ | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | High | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 8 mm | |
| Stack | 35 mm | 42 mm | |
| Stability | Stability | Neutral | |
| Fit | Medium | Medium | |
| Energy Return | Low | High✓ | |
| Breathability | Breathable✓ | Medium | |
| Traction | High | High | |
| Shock Absorption | High | High | |
| Durability | Very Good✓ | Good |
