The Soozier 20 lbs. Adjustable Weight Vest will take your training and workout to the next level by adding weight to your body for added resistance. This durable yet comfortable vest is made of tough nylon and secures closely to your body without rubbing or chafing. The design can fit women and men, and you can adjust the amount of weight added up to 20 pounds. It’s also an excellent choice for walking and running to increase your muscle strength and tone.