This unisex weighted vest is available in multiple weight Made from breathable, highly elastic T-shirt and Lycra fabrics for lasting comfort, it features internal iron sand filling for reliable performance. Adjustable straps accommodate various chest sizes. Reflective strips on both sides enhance visibility at night. A mesh back pocket provides convenient storage for your phone, keys, and earphones. The ergonomic design ensures even weight distribution, minimizing neck and shoulder fatigue. The simple buckle system makes it easy to put on and take off. Suitable for strength training, stair climbing, weightlifting, walking, running, and general fitness exercises. Beginners should start with lighter weights and gradually increase intensity. Please choose the appropriate size based on your chest circumference and current fitness level. Weight: 8.5 lbs.