No weight option ships with empty vest shell. 10 lbs vest option ships with 10 lbs of weights which are adjustable and compatible with all sizes and colors. Designed specifically for women, offering a comfortable and adjustable fit to improve your strength, bone density, and balance. Ideal for running, walking, strength training, and high-intensity interval training (HIIT), the Hyper Vest FIT adds resistance to your routine, burning more calories and helping you achieve your fitness goals more effectively. Made with high-quality CORDURA® fabric and 100% recycled USA steel weights, this vest is sustainably sourced and durable. Rucking outdoors with a weighted vest or rucking backpack can also aid in mental health, and improve overall wellness. Available in small, medium, and large sizes to ensure a perfect fit for all body types. Maximum weight capacity is 10 lbs.