Ultraboost 21
Ultraboost 21 is a cushioned daily running shoe. Compared with Ultraboost 20, adidas says it uses 6% more BOOST foam and that the redesigned ADIDAS LEP torsion element increases forefoot bending stiffness by 15%. A Primeknit+ upper wraps the foot and provides support during runs.
- Intended uses:
- Daily, Jog
Specs
- Weight
- -
- Not registered
- Drop
- -
- Not registered
- Stack (heel/forefoot)
- -
- Not registered
- Carbon plate
- -
- Not confirmed
- Midsole
- BOOST
- Outsole
- -
- Not registered
- Reference price
- -
- Not registered
Weight measurement and plate details
- Weight note
- No manufacturer weight with an identified sample size was confirmed from the adopted source.
- Plate note
- The official launch identifies an ADIDAS LEP torsion structure but does not state its material; carbon status remains unknown.
Prices and release dates by market
1 market is registered. Values are shown as published for each market: no currency conversion and no guessed days or months. Reference prices are not current shop prices.
| Market | Reference price | Release |
|---|---|---|
| JapanJP | ¥22,000 | 2021-02-04Shown above |