For active personalities that never ever sit still, versatility, comfort, and street-worthy style were built. Swiftness and style. Effectiveness and appearance. confidence and agility. Designed to keep up, the Cloud X 3 Shift. Without sacrificing comfort, the Speedboard energizes each stride while the CloudTec sole cushions. Premium re-engineered mesh upper with seamless synthetic overlays. Breathable textile lining for abrasion-free wear. Removable, foam padded and textile lined insole for cushioning and support. CloudTec cushioning technology active only during the foot strike. Lightweight and flexible CloudTec sole unit made from Zero-Gravity foam.