ON's trademark patented Cloud technology is not hidden in the CLOUD X "GLACIER". The distinguishing feature of the Swiss brand is kept in a dark olive tone, while the upper shines in the bright "Glacier". The U-chambers, or "Clouds", provide the soft landing and explosive push-off that makes ON shoes so distinctive. The result is a lightweight and comfortable running shoe, with a unique running feel. Stability. Agility. Versatility. Crush runs and mixed-sport workouts in the lightweight and ultra-reactive Cloud X. Gray and green colorway. FIT TIP: Fits true to size. Mens 7/womens 8.5 Excellent preowned condition, minor wear and scuffs. New Grass stains not reflected in current photos.