This 20lbs weighted vest is designed to contour and stay tight to your body even under the most intense workouts. This adjustable weighted vest that's designed for both men and women is a great starter for people who wants a reliabe vest at a great price. It fits snuggly to your body, and allows you to move and breathe easy when you workout. Adjust the weight by adding or removing individual weighted bags to achieve desired weight. Fasten tight to the torso, molded, custom fit eliminates weight shifting during activities like power walking, polymeric, hill bounding, running, lateral drills and vertical jumps. Weighted vests are also used in the gym when performing squats, lunges, dips, pull-ups, push-ups, etc. Add resistance to training programs without compromising biomechanics. Increase Strength and Speed, Accelerate Weight Loss, Improve Respiration, Build muscle, Gain quickness and power. Designed to contour and stay tight to your body even during the most intense workouts, the MiR 20-pound adjustable weighted vest adds resistance to your training programs without compromising your biomechanics. The vest, which fits on both men and women, fits snugly to your body, allowing you to move and breathe easy when you work out. It's also easy to adjust the weight by adding or removing individual weighted bags. Once fastened to your torso, the vest offers resistance for such activities as power walking, hill bouncing, running, lateral drills, and vertical jumps. As an alternative, you can use it in the gym when performing squats, lunges, dips, pull-ups, push-ups, and more. Adjustable in 3/4-pound increments, the weight vest helps you increase strength and speed, accelerate weight loss, improve respiration, build muscle, and gain quickness and power. The one-size-fits-all vest carries a lifetime warranty.