Head-to-Head
Adizero Boston 13vsGel Kayano 33
The Adizero Boston 13 is a speed trainer shoe while the Gel Kayano 33 is a daily trainer shoe. The Adizero Boston 13 retails for $160 while the Gel Kayano 33 comes in at $170 — a $10 difference. The Adizero Boston 13 is the lighter shoe at 9.0 oz versus 10.5 oz for the Gel Kayano 33. In our ratings, the Adizero Boston 13 edges out the Gel Kayano 33 — 9.2/10 versus 8.1/10.
| Rating | 9.2 / 10✓ | 8.1 / 10 | |
| Price | $160✓ | $170 | |
| Weight | 9.0 oz✓ | 10.5 oz | |
| Category | Speed Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 8 mm | |
| Stack | 36 mm | 39 mm | |
| Stability | Neutral | Stability | |
| Fit | Narrow | Medium | |
| Energy Return | Medium✓ | Low | |
| Breathability | Medium | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | High✓ | |
| Durability | Very Good✓ | Good |
