Head-to-Head
Vomero 18vsGlycerin Flex
The Vomero 18 and Glycerin Flex are both daily trainer shoes built for road running. The Vomero 18 retails for $150 while the Glycerin Flex comes in at $170 — a $20 difference. The Glycerin Flex is the lighter shoe at 9.1 oz versus 11.5 oz for the Vomero 18. In our ratings, the Vomero 18 edges out the Glycerin Flex — 8.9/10 versus 8.0/10.
| Rating | 8.9 / 10✓ | 8.0 / 10 | |
| Price | $150✓ | $170 | |
| Weight | 11.5 oz | 9.1 oz✓ | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | High | Medium | |
| Softness | Balanced | Balanced | |
| Drop | High | Medium | |
| Drop (mm) | 10 mm | 6 mm | |
| Stack | 45 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Low✓ | Low✓ | |
| Breathability | Medium | Medium | |
| Traction | Low | High✓ | |
| Shock Absorption | High | High | |
| Durability | Decent | Good✓ |
