The 4Front is not just a treadmill; it is our commitment to providing the most innovative, longest lasting, and most comfortable treadmill solution to all of your fitness needs. The 4Front represents everything we have learned so far and everything we aspire to be as a company. It is the next generation in a long line of products that feature exceptional comfort and versatility courtesy of WOODWAY's patented Slat Belt running surface. The 4Front was designed to mimic the feel of running outdoors and to provide the user with a dynamic, low impact workout every time.