On Running
Cloudflow 4 Running Shoe - Women's
$119.95
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The Grivet Take
The Cloudflow 4 is On's lightweight performance daily trainer with a Speedboard plate and CloudTec cushioning. The 26mm balanced stack and 8mm drop deliver a responsive ride suited to tempo work and daily mileage; the Speedboard adds forward drive without making the shoe stiff. The 235g weight is light enough for fast efforts. This is closeout territory now that the Cloudsurfer Next has launched; for runners who want a plated On daily-tempo trainer at a more accessible price the Cloudflow 4 is still a strong pick.
Fit & Feel snapshot
Fit
LengthHow the shoe fits compared with true-to-size expectations.
True to size
Toe box widthHow much side-to-side room the shoe has across the front of the foot.3 of 5
NarrowWide
Toe box volumeHow much vertical room the shoe has above the toes.3 of 5
LowHigh
MidfootHow snug or roomy the shoe feels through the arch and laces.3 of 5
SnugRoomy
Heel holdHow securely the back of the shoe holds the heel.4 of 5
LooseLocked
Ride
CushionHow much material sits underfoot. This is about amount of cushioning, not how soft it feels.3 of 5
MinimalMaximal
SoftnessHow soft or firm the cushioning feels underfoot.3 of 5
FirmPlush
RockerHow much the shoe's shape rolls you forward through the step.3 of 5
FlatAggressive
ResponsivenessHow much pop or energy return the shoe feels like it gives back.4 of 5
DeadBouncy
Support
Support TypeSupport Type describes how much built-in guidance the shoe has. Neutral shoes do not add support structure. Stability shoes use geometry, rails, firmer foam, or frame designs to create a more guided feel. Motion control shoes are the maximum-support category and are rare in modern running.
Neutral
Stability
Motion Control
No added support structure
PlatformPlatform describes the width and shape of the shoe's base underfoot. A wider platform can feel steadier even when the shoe is neutral. This is separate from Support Type.
Standard platform
How it fits
Fits true to size for most runners. Toe box runs standard width with normal vertical volume. Midfoot is normal width with a secure performance wrap. Heel hold is excellent. Available in standard (B) only at Grivet for women's.
How it feels
Cushion is moderate at 26mm heel stack with strong responsiveness. CloudTec pods compress on landing and rebound for forward energy; the Speedboard plate adds propulsion through toe-off. Helion superfoam keeps the ride bouncy without going pillowy. The 8mm drop pairs with the moderate stack for a connected feel; energy return is genuinely strong for the cushion height. The platform is standard width; the ride is dynamic and tuned for daily mileage that crosses over to tempo workouts.
Quick specs
- Category
- Daily trainer
- Surface
- Pavement · Treadmill
- Heel stackHow much shoe sits between your foot and the ground.
- 26.0 mm
- Forefoot stack
- 18.0 mm
- DropThe difference between heel height and forefoot height, measured in millimeters.
- 8.0 mm
- Weight (women's 8)
- 8.3 oz · 235 g
- CushionHow much material sits underfoot. This is about amount of cushioning, not how soft it feels.
- 3 / 5
- Support TypeSupport Type describes how much built-in guidance the shoe has. Neutral shoes do not add support structure. Stability shoes use geometry, rails, firmer foam, or frame designs to create a more guided feel. Motion control shoes are the maximum-support category and are rare in modern running.
- Neutral
- PlatformPlatform describes the width and shape of the shoe's base underfoot. A wider platform can feel steadier even when the shoe is neutral. This is separate from Support Type.
- Standard platform
- Midsole
- Helion superfoam
- Outsole
- rubber
- PlateA stiff layer, usually carbon, nylon, or TPU, built into some shoes to add structure, snap, or propulsion.
- Speedboard
- WidthsThe width options this shoe is made in. Actual availability depends on current inventory.
- B
Tech, translated
CloudTec is On's signature midsole architecture: hollow pods compress on landing for soft cushion and rebound for forward energy.
Helion superfoam is On's named premium midsole foam, lighter and more responsive than standard EVA. In the Cloudflow 4 the foam pairs with the Speedboard plate for daily-tempo versatility.
The Speedboard is On's named plate that runs the length of the shoe and provides forward drive without the rigidity of a carbon plate. The 8mm drop is moderate-traditional and pairs with the lower stack for a connected feel.
Frequently asked
Does the On Cloudflow 4 run true to size?
The Cloudflow 4 runs true to size for most runners. The toe box is standard width with normal vertical volume; the engineered mesh upper provides a secure performance wrap. Available in standard (B) only at Grivet for women's. Runners between sizes can usually stay with their typical On size.
Is the On Cloudflow 4 firm or soft underfoot?
The Cloudflow 4 is balanced. CloudTec pods deliver a responsive feel rather than plush cushion; the Speedboard plate adds firmness through toe-off without making the shoe stiff. Runners who want a softer max-cushion ride should look at the On Cloudsurfer Max instead.
Is the On Cloudflow 4 good for treadmill running?
Yes. The rubber outsole grips treadmill belts reliably and the responsive ride keeps cadence honest across longer treadmill sessions. The 8.3 oz weight is light enough for tempo treadmill efforts. The Cloudflow 4 is a strong choice for treadmill workouts and daily mileage.
How does the On Cloudflow 4 compare to the On Cloudsurfer Next?
The Cloudsurfer Next is the current performance daily trainer in the On line; the Cloudflow 4 is the predecessor concept at closeout pricing. The Cloudsurfer Next has CloudTec Phase wave-collapse architecture and a stronger rocker; the Cloudflow 4 has discrete CloudTec pods and a Speedboard plate. Pick the Cloudflow 4 for the closeout value; pick the Cloudsurfer Next for the latest version.
Compare it toSimilar shoes or common alternatives, with the key fit and ride differences called out.
On Cloudsurfer Next
Choose the Cloudflow 4 for closeout pricing on the plated On daily-tempo trainer. Choose the Cloudsurfer Next for the current performance daily trainer with CloudTec Phase architecture.
Compare On Cloudsurfer Next →
Saucony Endorphin Speed 3
Choose the Cloudflow 4 for the On look and CloudTec feel with a Speedboard plate. Choose the Endorphin Speed 3 for a nylon plate with PWRRUN PB supercritical foam at similar closeout pricing.
Compare Saucony Endorphin Speed 3 →
Hoka Mach 6
Choose the Cloudflow 4 for a more rockered ride with a Speedboard plate. Choose the Mach 6 for a lightweight unplated Hoka tempo trainer with the early-stage Meta-Rocker and supercritical EVA foam.
Compare Hoka Mach 6 →
Adidas Adizero Evo SL Woven
Choose the Cloudflow 4 for closeout pricing on On's plated daily-tempo trainer. Choose the Adizero Evo SL for full-length Lightstrike Pro PEBA foam without a plate at a similar price point.
Compare Adidas Adizero Evo SL Woven →
Buyer's guide
Read our running shoes guide
A clear framework for picking running shoes by surface, cushion, drop, stability, and fit.
Read the guide