The On Running Cloudtilt Black Eclipse is your go-to for urban exploration, combining futuristic engineering with comfort-first design. At just 303g, this ultra-light sneaker features CloudTec Phase® for smooth weight transfer, and Helion™ superfoam for responsive energy return. The precision-crafted midsole, shaped with Finite Element Analysis, aligns cloud elements for superior cushioning. A slip-on sock construction with speed laces makes it effortless to wear, while the dope-dyed upper reduces water usage by 90%. Designed to move with you, all day long.