- No Fur - Upgraded Materials: Made of skin-friendly neoprene with excellent internal sealing, the Zeerun weighted vest ensures non-chafing & prevents iron particles from leaking out during high-intensity workouts. - Durable & Safe: Double-stitched reinforced seams withstand rigorous movements, while the reasonable weight distribution reduces shoulder and back overload—minimizing sports injury risks. - Ergonomic Design: The thickened shoulder pads disperse pressure, while the elastic band and adjustable buckle closely adhere to the body curve, say goodbye to annoying shaking, creating a snug, comfortable fit. - Gradually Progressing: Zeerun provides 8 different weight options (6lb/8lb/10lb/12lb/15lb/18lb/24lb/30lb). As the intensity of fitness increases, gradually choosing a heavier vest, even beginners can grow into fitness experts. - Lifting Effect: This weighted walking vest helps accelerate metabolism, build muscular endurance, and transform routine workouts into efficient calorie-burning & strength-building.