Fitness. Real People, Real Results. The FITNESS REALITY Zero Impact Cloud Walker X3 can give you an excellent cardiovascular workout while eliminating any impact on knees, ankles and leg joints. An exceptional 48-inch range of motion allows you stretch your leg muscles, work your hamstrings and thus increasing flexibility, even more effectively than most elliptical trainers. The 6-level tension resistance cords can increase or decrease your workout as you build up endurance and fitness. The Cloud Walker X3 folds for storage so it is excellent for small or limited spaces, easily stored in a closet, under a bed or the corner of a room.