All Pro Weight Adjustable Power Vest Designed for safety and comfort with no weight on the heart, lungs or spine 40-lb vest - For both men and women; 80x1/2-lb wt. Weight adjustable up to 40-lbs in 1/2-lb increments - solid iron weights Patented design provides extra cushioning and permits full freedom of movement Premium quality for fitness, health and wellness Designed for safety and comfort with no weight on the heart, lungs or spine