On Cloud X 4 AD Running Shoes – Black | White
On Cloud X 4 AD Running Shoes – Black | White
On Cloud X 4 AD – Unisex Training Running Shoe
Train harder. Run faster. The On Cloud X 4 AD is built for athletes who demand performance both at the gym and on the road. Engineered with On's iconic CloudTec® cushioning system and a reinforced X-frame midfoot support structure, this shoe delivers explosive responsiveness, lateral stability, and all-day comfort — whether you're lifting, sprinting, or everything in between.
Colorway
This style features the bold and versatile Black | White colorway — a sleek all-black breathable mesh upper with a dark charcoal X-frame support overlay and grey heel insert, contrasted sharply against a clean white CloudTec® midsole and black outsole. Understated power, maximum impact.
Key Features
- CloudTec® Midsole – Adaptive cushioning that absorbs impact and propels you forward
- X-Frame Support – Midfoot reinforcement for lateral stability during training movements
- Breathable Mesh Upper – Lightweight, ventilated construction keeps feet cool under pressure
- Swiss Engineering – Precision-engineered for multidirectional performance
- Padded collar & tongue – Secure, comfortable fit around the ankle
- Durable rubber outsole – Reliable grip on gym floors and roads alike
Product Details
- Brand: On Running
- Model: Cloud X 4 AD
- Gender: Unisex
- Closure: Lace-up
- Upper Material: Breathable engineered mesh
- Sole: CloudTec® white midsole with black rubber outsole
On Shoe Size Guide
| EU Size | US Men's | US Women's |
|---|---|---|
| 36 | — | W5 |
| 36.5 | — | W5.5 |
| 37 | — | W6 |
| 38 | — | W7 |
| 38.5 | — | W7.5 |
| 39 | — | W8 |
| 40 | M7 | W8.5 |
| 40.5 | M7.5 | W9 |
| 41 | M8 | W9.5 |
| 42 | M8.5 | W10 |
| 42.5 | M9 | W10.5 |
| 43 | M9.5 | W11 |
| 44 | M10 | W12 |
| 44.5 | M10.5 | — |
| 45 | M11 | — |
| 46 | M11.5 | — |
Please refer to the size chart before ordering. If you are between sizes or prefer a roomier fit, we recommend choosing the larger size.
Please select all required options before checkout. Colors may vary slightly depending on screen settings — please refer to product images for accurate representation.