ADJUSTABLE 40 LB WEIGHTED VEST FOR PROGRESSIVE TRAINING - Customize your resistance with this adjustable weighted vest (2.5?40 lbs) complete with individual adjustable weights?perfect for beginners to advanced athletes looking to build strength, endurance, and intensity over time. Each packet is filled with 2.5 lbs of iron ore fines. BOOST STRENGTH WORKOUTS & CARDIO PERFORMANCE - Add resistance to running, walking, and workouts to increase calorie burn, improve stamina, and maximize results from every training session. SECURE COMFORTABLE FIT - Designed to distribute weight evenly with fully adjustable waist belt and padded shoulders for a more stable, bounce free and comfortable feel?helping reduce shifting during movement and high-intensity training. DURABLE CONSTRUCTION AND REFLECTIVITY- Made with high-quality reinforced nylon and polyester for long-lasting performance, with reflective stripes for easy visibility in low light environments such as walking or running. FULL-BODY TRAINING TOOL - Ideal for push-ups, squats, lunges, and conditioning workouts?this fitness weighted vest supports total-body strength, endurance, and functional training.