The On Cloud X 4 Review & Lab Test: Shop Men’S & Women’S Models of 2026

The On Cloud X 4 is a versatile footwear option categorized as a walking shoe, ideal for those who prioritize comfort and cushioning in their fitness routines.

Lab tests indicate that the shoe features significant flexibility and cushioning, making it suitable for low-impact activities. However, its design is not recommended for strength training with weights due to insufficient stability.

Considering its above-average price point, there are alternative cross-trainers available that may deliver better performance for dedicated gym workouts.


Pros

  • Super airy and breathable upper
  • Feels very light, disappears on foot
  • Great cushioning for jumps and short runs
  • Highly flexible construction
  • Doubles as a comfy walking shoe
  • Comfortable step-in feel
  • Recycled upper materials

Cons

  • Awful durability
  • Seriously overpriced
  • Stability is almost non-existent
  • Weak outsole grip

Key Features

  • Light, cool, and breathable with a mesh upper
  • Reinforced toe cap for added protection during intense training
  • CloudTec cushioning that offers comfort and support
  • Raised sidewalls and a wide bottom platform to ensure stability
  • Full-length Speedboard designed to power every move you make
  • Soft padding along the collar for additional support and comfort
  • Reactive ride promoting smooth movement and powerful performance
  • Rubber pads on the outsole enhance traction across various surfaces
  • Eco-friendly design featuring about 25% - 30% recycled content, primarily polyester

Specifications

  • Origin: Imported
  • Sole material: Rubber
  • Outer material: Polyester
  • Inner material: Bamboo/Other

On Cloud X 4 Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

On Cloud X 4 Nike Free Metcon 6 On Cloud X 3 AD Nike Zoom Metcon Turbo 2
Price $150 $120 $150 $150
Use Workout Workout Workout Crossfit
Drop lab 8.9 mm 7.2 mm 8.5 mm 7.7 mm
Heel stack lab 30.4 mm 22.0 mm 23.2 mm 22.9 mm
Forefoot 21.5 mm 14.8 mm 14.7 mm 15.2 mm
Weight lab 9.5 oz / 268g 9.7 oz / 274g 8.7 oz / 247g 12.1 oz / 342g
Lightweight
Breathability Breathable Breathable Breathable Breathable
Width / fit Medium Medium Medium Medium
Toebox width Medium Medium Medium Medium
Size Slightly small True to size Slightly small True to size
Midsole softness Balanced Balanced Firm Balanced
Stiffness Stiff Moderate Moderate Moderate
Torsional rigidity Flexible Flexible Flexible Flexible
Heel counter stiffness Moderate Moderate Flexible Moderate
Toebox durability Decent Decent Decent Bad
Heel padding durability Bad Good Decent Decent
Outsole durability Bad Good Good -
Midsole width - forefoot Average Average Average Average
Midsole width - heel Average Wide Wide Average
Widths available Normal Narrow Normal Normal
Insole thickness Average Average Average
Outsole thickness Average Average Average Thick
Outsole hardness Average Average Average Average
Heel tab None Finger loop None None
Tongue: gusset type Both sides (semi) Bootie Both sides (semi) Both sides (full)
Tongue padding Average Average Very thin Very thin
Ranking Top 34% Bottom 30% Bottom 33% Bottom 21%
Popularity Top 13% Top 7% Bottom 27% Bottom 45%