ON CLOUD Cloud X Athletic Running Lace Up Sneaker in Black/Graphite Grey Size 8.5 Preowned. In EXELLENT condition. he Cloud X is for those who refuse to define themselves by one activity. A lightweight and ultra-agile shoe built to handle punishing paces and intense mixed-sport workouts. World's lightest fully cushioned running shoe Speed lacing system Dual-density sockliner Seamless shoe tongue Precision molded cushioning heel pad Zero-Gravity EVA foam Deepflex grooves provide natural range of motion CloudTec sole with separated central channel You'll LOVE LOVE LOVE them so so much!!!