Runometry Index
No index yet
We are still waiting for its official weight to work out its index.
adidas Ultraboost 21
Shoe profile
Measurements
- Heel stack
- 30.5 mm
- LowLower than 78% of them
- Forefoot stack
- 20.5 mm
- Very lowLower than 87% of them
Construction
- Midsole foam
- BOOST
- Foam material
- TPU
Who and what for
- Category
- Daily trainers
- Versions
- Women's
What’s new since the adidas Ultraboost 5
Same line, new version: here’s what moved, from the published values. Weights are only compared in the same size.
| Criterion | Ultraboost 21 (2021)This version | Ultraboost 5 (2024) | Change |
|---|---|---|---|
| Drop | 10 mm | 10 mm | Unchanged |
| Heel stack | 30.5 mm | 39 mm | −8.5 mm |
| Forefoot stack | 20.5 mm | 29 mm | −8.5 mm |
| Midsole foam | BOOST | LIGHT BOOST | New |
| Catalogue price | EUR 180 | EUR 180 | Unchanged |
Model history
2025
adidas
Ultraboost 5 GTX
- Weight 255 g
- Drop 10 mm
2024
adidas
Ultraboost 5
- Weight 292 g
- Drop 10 mm
- 6 colours
2021
adidas
Ultraboost 22
- Weight 289 g
- Drop 10 mm
2021 This version
adidas
Ultraboost 21
- Drop 10 mm
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