This is a Prodigen weighted vest designed for both women and men. It has a capacity of 16 lbs and is made of neoprene material. The vest has reflective stripes for visibility and a buckle closure. It is adjustable and suitable for a variety of activities including walking, core training, exercise, weight loss, cross training, and resistance training. The vest is also recommended for gymnastics and has a package dimension of 10/8/4 inches. The package weight is 16.5 lbs. This item is brand new. It will be shipped a different way then in a box due to the weight to save you money on shipping.