On Running Cloud Sky Trainers combine lightweight cushioning with a flexible sole designed for active days. They deliver a streamlined look and responsive comfort for everyday wear. Key attributes: Gray | Grey | Polyester | Lightweight cushioning | Flexible Speedboard for propulsion | Outsole adapted to support movement | Lace-up closure | Durable construction | Streamlined silhouette | Cloud-inspired sole design | Dimensions & fit: Weight: 218 g | Heel-to-toe drop: 6 mm | Composition & care: Vamp: 100% polyester | Quarter: 100% polyester | Tongue: 85% polyester, 15% polyurethane | Collar lining: 100% polyester | Insole: fabric | Outsole: rubber