Ultrafly 6
A lightly supportive road shoe for daily runs and walks. Ultrafly 6 adds cushioning and extends its medial post around the heel compared with Ultrafly 5. The multi-density ZipFoam midsole pairs a softer foot-facing layer with a firmer base. Broader outsole rubber coverage targets durability and traction, while breathable upper materials and a roomy toe box accommodate natural toe spread.
- Intended uses:
- Daily, Long run
Specs
Among 869 listed shoes, this is a lower-stack Stability
- Weight
- 272g
- Of 814 known values: 397 lower, 11 equal, 406 higher. The marker uses the midpoint of equal values.
- Standard49.4th percentile (tie midpoint) / average +5g
- Drop
- 5mm
- Of 818 known values: 121 lower, 98 equal, 599 higher. The marker uses the midpoint of equal values.
- lowerLower 26.8%, including ties / average -1.8mm
- Stack height (heel/forefoot)
- 32 / 27mm
- Of 694 known values: 184 lower, 39 equal, 471 higher. The marker uses the midpoint of equal values.
- lowerLower 32.1%, including ties / average -2.7mm
- Carbon plate
- No
- 83% of 787 known models have no carbon plates
- Midsole
- ZipFoam
- Outsole
- rubber
- Reference price
- $150
- US price
Weight measurement and plate details
- Weight note
- 272g at M9 from Topo Athletic Japan official product page.
- Plate note
- Topo Japan official product page describes ZipFoam and medial post stability; no carbon plate is stated.
Related video
Official video from Topo Athletic.
Changes from the previous model
A comparison with the registered values for Topo Athletic Ultrafly 5.
In the registered data, heel stack is 2mm higher at 32mm and forefoot stack is 2mm higher at 27mm.
These are differences between registered values, not a controlled comparison at the same size and measurement conditions. See the notes below the specs for weight conditions.
Compare within the database
See where these specs sit in the overall distribution. You can also compare within the same category.
Comparison: All data (869 shoes)
Position map
Weight x stack height
registered average: 266g / 34.7mm (686 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 272g·registered average 267g (814 shoes)
Drop
This shoe 5mm·registered average 6.8mm (818 shoes)
Stack height
This shoe 32mm·registered average 34.7mm (694 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.