The On Cloud X 3 Ad Review & Lab Test of 2026

The On Cloud X 3 AD is a versatile training shoe designed for short runs and casual walks. Its construction features a thinner upper that fits closely like a sock, enhancing flexibility and agility during use. This shoe is particularly suitable for those seeking a lightweight option due to its increased airiness compared to the regular X 3.

Lab results indicate that while the On Cloud X 3 AD excels in flexibility, it may exhibit reduced stability for serious strength training and weightlifting activities. The structural design prioritizes comfort over rigidity, making it less ideal for rigorous workouts requiring firm support.

Given its price point, potential buyers might consider waiting for a discount, as similar performance-oriented cross-trainers from other brands are available at competitive prices.

Pros

  • Versatile for gym use, casual wear, and short runs (up to 5K)
  • Incredibly light and agile on foot
  • Highly breathable upper
  • Very flexible construction
  • Wide and grounded sole
  • Amazingly responsive midsole
  • Upper feels like second skin
  • Good outsole grip
  • Fits true to size

Cons

  • Lacks durability for regular outdoor use
  • Not so cushioned for all-day wear
  • Very little side support (not for overpronation)

Key Features

  • Comfortable Fit: The sneakers offer a snug yet breathable fit, ideal for all-day wear.
  • Lightweight Design: Weighing in at just a few ounces, they are perfect for those who value agility during workouts.
  • Responsive Cushioning: Equipped with the signature CloudTec® technology, they provide exceptional shock absorption.
  • Durable Outsole: The rubber outsole enhances traction and durability, suitable for various surfaces.
  • Stylish Aesthetic: The sleek black and white color combination is versatile enough to match any outfit.

Specifications

  • Product Size: 12.5 Medium US
  • Color: Black | White
  • Style: Sneakers
  • Weight: Lightweight construction for enhanced performance
  • Closure: Traditional lace-up design for a secure fit

On Cloud X 3 Ad Review & Lab Test – Price, Ratings, Reviews & Sales Insights

On Cloud X 3 AD Nike Free Metcon 6 On Cloud X 4 Nike Zoom Metcon Turbo 2
Price $150 $120 $150 $150
Use Workout Workout Workout Crossfit
Drop lab 8.5 mm 7.2 mm 8.9 mm 7.7 mm
Heel stack lab 23.2 mm 22.0 mm 30.4 mm 22.9 mm
Forefoot 14.7 mm 14.8 mm 21.5 mm 15.2 mm
Weight lab 8.7 oz / 247g 9.7 oz / 274g 9.5 oz / 268g 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 Firm Balanced Balanced Balanced
Stiffness Moderate Moderate Stiff Moderate
Torsional rigidity Flexible Flexible Flexible Flexible
Heel counter stiffness Flexible Moderate Moderate Moderate
Toebox durability Decent Decent Decent Bad
Heel padding durability Decent Good Bad Decent
Outsole durability Good Good Bad -
Midsole width - forefoot Average Average Average Average
Midsole width - heel Wide Wide Average 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 Very thin Average Average Very thin
Ranking Bottom 33% Bottom 30% Top 34% Bottom 21%
Popularity Bottom 27% Top 7% Top 13% Bottom 45%