InfinityRN 4
InfinityRN 4 brings ReactX foam to a cushioned daily road trainer, replacing the earlier React platform. A broad base and rocker-shaped sole support the transition from landing to toe-off. Its redesigned Flyknit upper adds toe room, midfoot support and a padded collar, with a water-resistant liner beneath. A durable Waffle outsole provides traction for everyday mileage.
- Intended uses:
- Daily, Long run
Specs
- Weight
- 354g
- Of 948 known values: 936 lower, 1 equal, 11 higher. The marker uses the midpoint of equal values.
- heavierUpper 1.3%, including ties / average +86g
- Drop
- 9mm
- Of 961 known values: 755 lower, 26 equal, 180 higher. The marker uses the midpoint of equal values.
- higherUpper 21.4%, including ties / average +2.2mm
- Stack (heel/forefoot)
- -
- Not registered
- Carbon plate
- No
- 83% of 866 known models have no carbon plates
- Midsole
- ReactX
- Outsole
- Waffle
- Reference price
- $160
- US price
Weight measurement and plate details
- Weight note
- Nike Japan official product page lists approx. 354g for men's size 28cm.
- Plate note
- Nike's exact product specifications list ReactX foam, a Flyknit upper and a Waffle outsole, with no carbon structure listed.
Prices and release dates by market
2 markets are 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 |
|---|---|---|
| United StatesUS | $160Shown above | Not registered |
| JapanJP | ¥18,700 | 2023-08-03Shown above |
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Spec distributions
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Weight
This shoe 354gregistered average 268g (948 shoes)
Drop
This shoe 9mmregistered average 6.8mm (961 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.