Harbinger Women’s Adjustable Weight Vest for Cross-Training, Strength Training, and Endurance Workouts, 10 Pounds $109.99 Make sure this fits by entering your model number. Women’s-specific 10-pound adjustable weighted fitness vest for cross training, strength training, and endurance workouts Increases resistance to build additional core strength, speed and endurance while doing push-ups, sit-ups, dead lifts, burpees, or sprints