Boost your metabolism, get stronger, and improve your VO2 max with the Lebert HIIT System! The ability to incorporate dynamic unilateral, rotational, and bilateral strength-building movements makes it the most effective high-intensity trainer ever—perfect for beginner and hardcore athletes alike. That’s because this innovative trainer allows you to leverage your own body weight as a tool to gain strength and improve muscular endurance through dynamic resistance. The best part? The level of resistance and difficulty is fully and instantly customizable.