Head-to-Head
Glycerin 23vsLaunch 12
The Glycerin 23 and Launch 12 are both daily trainer shoes built for road running. The Glycerin 23 retails for $175 while the Launch 12 comes in at $120 — a $55 difference. The Launch 12 is the lighter shoe at 8.9 oz versus 10.6 oz for the Glycerin 23. In our ratings, the Launch 12 edges out the Glycerin 23 — 8.2/10 versus 8.0/10.
| Rating | 8.0 / 10 | 8.2 / 10✓ | |
| Price | $175 | $120✓ | |
| Weight | 10.6 oz | 8.9 oz✓ | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 8 mm | 8 mm | |
| Stack | 38 mm | 35 mm | |
| Stability | Neutral | Neutral | |
| Fit | Wide | Narrow | |
| Energy Return | Low | Medium✓ | |
| Breathability | Medium | Breathable✓ | |
| Traction | Medium | Medium | |
| Shock Absorption | High✓ | Medium | |
| Durability | Very Good✓ | Good |
