The On Cloudspark Review & Lab Test: Shop Men’S & Women’S Models of 2026

The On Cloudspark is a versatile running shoe designed with both men and women in mind. Based on our lab data, it is ideal for runners seeking stability during their runs due to its firm underfoot cushioning.

The premium-quality upper offers a roomy fit, enhancing comfort and support. However, the shoe's firmness, measured at 31.5 HA, may not suit all preferences. Additionally, we noted concerns regarding durability given its higher price point.


Pros

  • Highly stable
  • Wide forefoot design
  • Premium materials
  • Lightweight
  • Excellent lockdown
  • Enhanced tongue comfort
  • Rare women-first design

Cons

  • Questionable durability
  • Firm midsole
  • Limited breathability

Key Features

  • Dual-density outsole with Speedboard mixed nylon for improved energy return.
  • Adaptive mesh upper that conforms to the shape of your foot for a personalized fit.
  • Technical mesh made from 100% recycled polyester, promoting sustainability.

Specifications

  • Sole material: Rubber
  • Outer material: Mesh
  • Closure type: Lace-Up
  • Water resistance level: Not Water Resistant

On Cloudspark Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

On Cloudspark Allbirds Tree Flyer 2 On Cloudrunner 2 On Cloudgo
Price $160 $160 $150 $150
Pace Daily running Daily running Daily running Daily running
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 9.5 oz / 269g 10.3 oz / 293g 9.7 oz / 275g 9.1 oz / 259g
Drop lab Drop brand 8.6 mm 8.1 mm 8.5 mm 11.2 mm
Strike pattern Heel Heel Heel Heel
Size Slightly small True to size True to size Slightly small
Midsole softness Firm Balanced Balanced Balanced
Difference in midsole softness in cold Small Small Small Small
Toebox durability Decent Good Decent Bad
Heel padding durability Bad Decent Decent Bad
Outsole durability Decent Good Decent Good
Breathability Moderate Moderate Moderate Moderate
Width / fit Medium Medium Medium Medium
Toebox width Medium Medium Medium Medium
Stiffness Stiff Stiff Stiff Moderate
Torsional rigidity Stiff Stiff Moderate Moderate
Heel counter stiffness Flexible Moderate Stiff Flexible
Heel lab Heel brand 34.6 mm 32.1 mm 33.6 mm 33.8 mm
Forefoot lab Forefoot brand 26.0 mm 24.0 mm 25.1 mm 22.6 mm
Widths available Normal Normal Normal Normal
Orthotic friendly
Season All seasons All seasons All seasons All seasons
Removable insole
Ranking Top 47% Bottom 47% Top 35% Top 31%
Popularity Bottom 9% Bottom 13% Top 21% Bottom 35%