This Zelus Adjustable U-Shaped Weight Vest is designed specifically for women. The U-shaped neckline ensures shoulder comfort and pressure-free, unrestricted movement. It offers three weight options (4-10 lbs, 11-20 lbs, 20-32 lbs) with six iron sand bags for easy intensity adjustment based on your level. Adjustable buckle straps keep the vest secure during dynamic movements like jumps and squats. Made with skin-friendly fabric, breathable mesh, and a padded lining, it keeps you cool and comfortable. Odorless adhesive and reflective strips let you focus on your workout safely.