DESIGN & FEATURES: Adjust from 0 to 20 lbs. Implementing into workouts will help keep your progress steady by preventing your body from adapting to your normal workout routine Suitable for men and women, the vest quickly and easily adjusts from one to 20 pounds This allows you to challenge yourself at your own pace, whether you are a beginner or an experienced fitness enthusiast Comes with a variety of convenient features such as reflective detailing, an electronics pocket, and breathable mesh material Start building your endurance, strength, and agility by adding this weighted vest to your workout routine WARRANTY: 30 Day Manufacture Warranty