Head-to-Head
880 v15vsGlycerin Flex
The 880 v15 and Glycerin Flex are both daily trainer shoes built for road running. The 880 v15 retails for $140 while the Glycerin Flex comes in at $170 — a $30 difference. The Glycerin Flex is the lighter shoe at 9.1 oz versus 9.9 oz for the 880 v15. In our ratings, the 880 v15 edges out the Glycerin Flex — 9.0/10 versus 8.0/10.
| Rating | 9.0 / 10✓ | 8.0 / 10 | |
| Price | $140✓ | $170 | |
| Weight | 9.9 oz | 9.1 oz✓ | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 6 mm | |
| Stack | 40.5 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Medium | Narrow | |
| Energy Return | Medium✓ | Low | |
| Breathability | Medium | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Low | High✓ | |
| Durability | Decent | Good✓ |
