The Proform Trainer 8.5 Treadmill elevates your home fitness journey, using a marvel of modern exercise technology. The deck is built with ProShox cushioning, which is designed to give your legs a landing surface with more give, so you can exercise with more comfort. The ProForm Trainer 8.5 Treadmill adjusts from a 0% incline up to a 10% to realistically match the terrain of the workout.