Pure Fitness 40 lb Adjustable Weight Vest: * Lose weight, build endurance, gain muscle strength and improve cardiovascular conditioning * Designed for optimum comfort * Perfect for adding resistance to your workout * Vest is comfortably padded * Features 43 sand filled weights that are easy to insert or remove and conform to your body contours * Designed with fully adjustable closures to fit most adults * Reflective trim for safer running or jogging at night