ZFOsports&reg; - 20LBS -UNISEX- Comfortable Exercise Adjustable Weighted Vest MiR 20Lbs Exercise Adjustable Weighted Vest 20-pound adjustable weighted vest for adding resistance to workout routines Contours and stays tight to your body regardless of the athletic activity Allows you to move and breathe freely; adjustable in 3/4-pound increments Helps you increase strength and speed, lose weight, and gain quickness and power 1 size fits all; maximum weight capacity of 20 pounds; lifetime warranty