Fast weight loss, body shaping for women from speed and crossfit training in Speed Builder athletic running weight vest. This speed training weight vest for running takes the mystery out of how to run faster. This speed training running weight vest has been designed exclusively for building or maintaining vital lean muscle mass while building speed in all athletes, track football, boxing triathlon training or weekend warriors training for a triathlon. For men and women seeking rapid weight loss, speed workouts with Speed Builder will melt the pounds away fast. after that you can maintain your weight loss with our nominal workouts. From the Quad Shoulder Suspention to Speed Builders soft body hugging weight packets it’s absolutly the finest engineered full speed work, speed training, running weight vest anywhere. Weight loss for women while doing exercises or workouts wearing a Speed Builder weighted vest, will escalate weight loss and muscle toning. Look younger faster!!