On Running Cloudswift 4 AD is an all-day sneaker designed for urban comfort and dependable cushioning. It pairs a water-repellent engineered mesh upper with a dual-density Helion™ superfoam midsole for a soft, responsive ride. Key attributes: Black | Engineered mesh | Water-repellent finish on the upper | Breathable upper | Dual-density Helion™ superfoam midsole for cushioning | Nylon-blend Speedboard® for a responsive ride | Rubber outsole for optimal grip | 8 mm heel-to-toe drop | Updated cage construction for greater midfoot stability | Flat laces for even pressure distribution | Low-top silhouette | Sculpted sole with CloudTec elements | Sock-like, wraparound bootie construction | Dimensions & fit: Weight: 277 g | Heel-to-toe drop: 8 mm | Regular fit — size US 8 corresponds to EU/IT 39 | True to size. Consult the brand's US footwear size chart to find the perfect size. | Composition & care: Upper: Polyester, TPU | Lining: Textile | Midsole: Helion™ superfoam (dual-density) | Speedboard: Nylon 6 | Outsole: Rubber