Wave Inspire 21
Wave Inspire 21 is a stability-focused daily trainer for runners with overpronation or anyone seeking extra support. Compared with Inspire 20's full-midsole Mizuno Enerzy Foam, version 21 adds softer, lighter Enerzy NXT at the heel wedge. A medially raised Mizuno Wave plate guides the stride from landing through toe-off, while a breathable, durable air-mesh upper uses the same last as Wave Rider for daily running.
- Intended uses:
- Daily
Specs
Among 865 listed shoes, this is a heavier / high-stack Stability
- Weight
- 295g
- Of 811 known values: 590 lower, 18 equal, 203 higher. The marker uses the midpoint of equal values.
- heavierUpper 27.3%, including ties / average +28g
- Drop
- 12mm
- Of 815 known values: 783 lower, 31 equal, 1 higher. The marker uses the midpoint of equal values.
- higherUpper 3.9%, including ties / average +5.2mm
- Stack height (heel/forefoot)
- 38 / 26mm
- Of 694 known values: 460 lower, 39 equal, 195 higher. The marker uses the midpoint of equal values.
- higherUpper 33.7%, including ties / average +3.3mm
- Carbon plate
- No
- 83% of 786 known models have no carbon plates
- Midsole
- MIZUNO ENERZY NXT
- Outsole
- X10
- Reference price
- $140
- US price
Weight measurement and plate details
- Weight note
- Approx. 295g at 27.0cm from Mizuno Japan official product page.
- Plate note
- Mizuno Japan's exact product page identifies a plant-based Elastollan N-series Mizuno Wave plate, a named non-carbon plate structure.
Changes from the previous model
A comparison with the registered values for Mizuno Wave Inspire 20.
In the registered data, weight is 15g lighter at 295g, heel stack is 0.5mm higher at 38mm, and forefoot stack is 0.5mm higher at 26mm.
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 (865 shoes)
Position map
Weight x stack height
registered average: 265g / 34.7mm (686 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 295g·registered average 267g (811 shoes)
Drop
This shoe 12mm·registered average 6.8mm (815 shoes)
Stack height
This shoe 38mm·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.