Ultrafly 4
Ultrafly 4 is an all-purpose road trainer for everyday running and runners seeking subtle pronation support. A cushioned ZipFoam midsole is paired with an external TPU heel counter and EVA medial post to provide light guidance. Its recycled engineered-mesh upper and roomy toe box allow the toes to spread naturally, combining a comfortable fit with the series' smooth-running focus.
- Intended uses:
- Daily, Stability
Specs
- Weight
- 272g
- Of 935 known values: 434 lower, 15 equal, 486 higher. The marker uses the midpoint of equal values.
- Standard47.2th percentile (tie midpoint) / average +4g
- Drop
- 5mm
- Of 947 known values: 159 lower, 108 equal, 680 higher. The marker uses the midpoint of equal values.
- lowerLower 28.2%, including ties / average -1.8mm
- Stack (heel/forefoot)
- 28 / 23mm
- Of 778 known values: 94 lower, 20 equal, 664 higher. The marker uses the midpoint of equal values.
- lowerLower 14.7%, including ties / average -6.3mm
- Carbon plate
- -
- Not confirmed
- Midsole
- ZipFoam
- Outsole
- -
- Not registered
- Reference price
- $135
- US price
Weight measurement and plate details
- Weight note
- Men's M9 on the exact official New Zealand page; the matched Ultrafly 4 section in Japanese product news also states 272 g at M9. No ounce conversion.
- Plate note
- Carbon status is unknown. The external TPU heel counter and EVA medial post provide guidance; they do not identify the material of any underfoot plate.
Prices and release dates by market
3 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 | $135Shown above | Not registered |
| Global | Not registered | 2022Shown above |
| JapanJP | ¥20,900 | Not registered |
Compare within the database
See where these specs sit in the overall distribution. You can also compare within the same category.
Position map
Weight x stack height
registered average: 266g / 34.4mm (760 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 272gregistered average 268g (935 shoes)
Drop
This shoe 5mmregistered average 6.8mm (947 shoes)
Stack height
This shoe 28mmregistered average 34.3mm (778 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.