On Running Cloud Sky Trainers combine adapted CloudTec cushioning with a flexible Speedboard to deliver responsive, lightweight performance for everyday wear. The advanced outsole adapts to biometrics to provide supportive, natural movement. Key attributes: Blue | Multicoloured | Polyester | Adapted CloudTec cushioning activates at lower weights | Flexible Speedboard for dynamic movement | Outsole adapts to biometrics to support growth | Cloud Sky trainer silhouette | Dimensions & fit: Weight: 218g | Composition & care: Vamp: 100% Polyester | Quarter: 100% Polyester | Tongue: 85% Polyester, 15% Polyurethane | Collar lining: 100% Polyester