Walking and weight training combo! The ProForm 525 X Treadmill offers aerobic exercise and bodybuilding with 4 Pro Form dumbbell weights. Shred more overall fat from your upper body through weight training while adding lean muscle mass. This Proform 525 Treadmill also offers 0-10 MPH QuickSpeed for easy finger touch functionality. Other features include 2.5 HP ProTech Motor, heavy duty 275lb. weight capacity and cushion reduction. This pro form 525 treadmill is truly a body sculpting machine.