Size 13 - ON Cloudswift Rock Slate for sale online | eBay。On Cloudswift running shoes in a versatile black and Rock grey colorway. These performance trainers feature signature Helion superfoam cushioning and CloudTec technology for a responsive, cushioned ride on urban surfaces. The breathable engineered mesh upper is reinforced with a supportive TPU side cage for a secure fit. Designed for road running and active lifestyles, these sneakers offer a sleek aesthetic paired with Swiss engineering. Note: These shoes show significant signs of wear, including heavy soiling on the outsoles and midsoles, as well as some fraying on the mesh upper as pictured.. Shoes are very distressed and dirty.