- Mesh
- Rubber sole
- Breathable, adaptive and supportive engineered mesh upper
- Breathable textile lining for healthy in-shoe climate
- Removable insole for cushioning and support
- CloudTec cushioning technology active only during the foot strike
- Unique, lightweight and flexible Zero-Gravity EVA foam sole
18 Clouds independently cushion and propel your every step towards runnerÆs high. Hit the ground perfectly with the added Clouds positioned precisely where you need them, and all with the lightness of our unique Zero-Gravity EVA foam.