Head-to-Head
Neo Zen 2vsGlycerin Flex
The Neo Zen 2 and Glycerin Flex are both daily trainer shoes built for road running. The Neo Zen 2 retails for $160 while the Glycerin Flex comes in at $170 — a $10 difference. The Neo Zen 2 is the lighter shoe at 8.5 oz versus 9.1 oz for the Glycerin Flex. In our ratings, the Neo Zen 2 edges out the Glycerin Flex — 8.6/10 versus 8.0/10.
| Rating | 8.6 / 10✓ | 8.0 / 10 | |
| Price | $160✓ | $170 | |
| Weight | 8.5 oz✓ | 9.1 oz | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Soft | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 6 mm | |
| Stack | 40 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Low✓ | Low✓ | |
| Breathability | Medium | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | High | High | |
| Durability | Bad | Good✓ |
