Description: 【Adjustable】The Weighted Vest’s weight from 2 to 18 lbs, adjustable length (39.37-40.78cm/15.5-16.06inch) and chest circumference (71.12-139cm/28-54.72inch), comfortable fit suitable for various body types 【Versatile Training】Body Weight Vest built in iron sand bags allow flexible weight adjustment to enhance workout intensity, making it ideal for fitness training, hiking, climbing, and other outdoor activities to boost muscle strength 【Reflective Design】Sports Vest is equipped with reflective strips that improve visibility during nighttime or low light conditions, ensuring secure during running, cycling, or walking after dark 【Breathable】The Weight Vest is crafted from quality breathable cloth material to keep you cool and dry during extended wear; great for workouts or long duration use 【Durability & Stability】Made with robust materials and a stable structure that evenly distributes weight, providing reliable support through repeated use Specification: Material: cloth and iron Size Chart: adjustable length: 39.37-40.78cm/15.5-16.06inch adjustable chest circumference: 71.12-139cm/28-54.72inch Package Includes: 1 Weighted Vest Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.