Empower Weighted Vest for Women, Weight Vest for Running, Workout, Cardio, Walking, 4lb or 8lb Weighted vest adds hands-free resistance to physical activities, including walking, running, gardening, and housework Contoured x-shaped silhouette designed specifically to fit a woman's figure; sand sewn into vest to evenly distribute weight Soft, stretchy Lycra spandex vest with adjustable side straps fits waist sizes from 24 to 48 inches Convenient pocket is great for small items such as keys and money Reflective accents on the front and back help you appear more visible in low-light conditions