This weight vest is designed to last a lifetime. If you want to lose weight, gain muscle, increase intensity, or develop greater strength and endurance, then this weight vest will help. Sports such as football, soccer, climbing, running, martial arts, and many others all benefit from weight vest training. Fighting osteoporosis and obesity is easier with a weight vest. These weight vests are constructed of the finest materials available. Only the heaviest fabrics are used which are coated to protect them from moisture damage. All stress points are double and/or triple stitched.The vests sport a sleek, low-profile design. You can easily put a jacket or sweatshirt over top of your weight vest, and you can move freely because of the smooth contours and shape. The weights are only 3/4" thick and are rounded for easy insert and removal. The short design keeps the weight off your stomach and kidneys for a better feel and function. Weights are evenly distributed front/back and each weight is removable and weighs 2 1/2 lbs. Available in 15, 30, or 40 lb. varieties.