Head-to-Head
Nucleo 2vsStructure 26
The Nucleo 2 and Structure 26 are both daily trainer shoes built for road running. The Nucleo 2 retails for $165 while the Structure 26 comes in at $145 — a $20 difference. The Nucleo 2 is the lighter shoe at 9.7 oz versus 10.5 oz for the Structure 26. In our ratings, the Nucleo 2 edges out the Structure 26 — 9.0/10 versus 8.9/10.
| Rating | 9.0 / 10✓ | 8.9 / 10 | |
| Price | $165 | $145✓ | |
| Weight | 9.7 oz✓ | 10.5 oz | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | High | |
| Drop (mm) | 5 mm | 10 mm | |
| Stack | 40 mm | 38 mm | |
| Stability | Neutral | Stability | |
| Fit | Medium | Medium | |
| Energy Return | Low✓ | Low✓ | |
| Breathability | Medium | Medium | |
| Traction | Medium✓ | Low | |
| Shock Absorption | Medium | Medium | |
| Durability | Good | Good |
