The On Running Cloudnova X Black Eclipse (W) blends performance innovation with a sleek, street-ready aesthetic, delivering a silhouette that feels both athletic and refined. The upper features a breathable engineered mesh base layered with smooth synthetic reinforcements that add structure without bulk, creating a streamlined profile in a deep black tone accented by subtle Eclipse detailing. The sock-like construction wraps the foot comfortably, while the adaptive lacing system ensures a secure, locked-in feel. Underfoot, On’s signature CloudTec® cushioning is paired with a responsive Speedboard®, offering soft landings and energized transitions with every step. The sculpted midsole adds a modern, technical edge, and the durable rubber outsole enhances traction for daily wear. Designed specifically for women’s fit and comfort, this edition balances lightweight flexibility with supportive stability, making it ideal for both active movement and everyday styling.