The Mefold Water Filled Weighted Vest in black, size medium, is a brand new sealed product perfect for weight lifting and other strength training activities. Made of durable neoprene material, this vest has a maximum weight capacity of 13lbs, with a weight of 2lbs itself. The water-filled design allows for a customizable weight experience, making it ideal for fitness, running, and yoga enthusiasts looking to add resistance to their workouts.