CAP Barbell Women's Weighted Vest, 30 Pound SPECS - 19 x 3 x 12 inches CONSTRUCTION - Made from reinforced nylon and polyester. COMFORT - Fully adjustable velcro waist belt fits most and padded shoulder straps allowing for a snug and secure fit. WEIGHT - Adjust total weight by removing or adding individual weight packets. Each packet is filled with iron ore fines. FLEXIBILITY - Ideal as additional resistance for any body weight training. Includes hooks for chute resistance training. TRUST - Trust experience. CAP has been a pioneer in fitness with over 30 years experience and locations worldwide. Chances are if you have ever worked out you have worked out with a CAP product.