Ultimate Glider - Improves Your Cardiovascular System. Smooth striding motion actually feels like you're walking on air Gives you the benefits of running without the impact on your knees and joints Improves your cardiovascular system and Durable construction can support up to 250 lbs Personal training monitor keeps track of vital workout information so you can track your progress: time, distance, calories used and pulse Easy assembly and it folds flat for easy and quick storage