The COREFX Pro Adjustable Weighted Vest has a unique design allowing for full range of motion while performing any exercise. The Adjustable Weighted Vest lets the user increase or decrease the weight by adding/removing individual weighted bars up to 20 LBS.Features: Adjustable Weights: Features a military-style design with Velcro straps that can be customized for any fit. Adaptable: By adding or removing the individual 2.1lb metal weight packs into the 10 secure pockets, your weighted vest can provide a maximum 20lbs of added resistance. Durable: The weighted workout vest is long lasting, made out of reinforced nylon. Machine washable, once you empty the weight packs.Why You Need It:The Weighted Vest allows for you to perform a large range of complex movements while adding resistance to your workouts, making your usual bodyweight workouts more challenging. How It Helps:The COREFX Weighted Vest helps you burn more calories in less time while walking, jogging, or exercising. This added resistance helps improve your strength, cardio, all while giving you more power throughout your training.What You Can Do With It:Add the Vest to virtually any workout for extra weight for your body-weight exercises, distance running, speed, walking, quick drills and agility, etc.