On Running Cloud X Grey Mens Training Running Shoes US 8 EU 41 Helion CloudTec On Running Cloud X sneakers in a versatile grey colorway. These lightweight performance shoes feature the signature CloudTec sole for cushioned landings and Helion superfoam for explosive movements. The breathable engineered mesh upper provides a secure fit, while the speed-lacing system ensures quick transitions. Ideal for running, gym workouts, or casual everyday wear, these trainers combine Swiss engineering with a sleek, athletic aesthetic.