Yes4All 51F7 Cast Iron Jerk Plate Weights, 15.9 kg 35 lbs

DURABLE CAST IRON BACKPACK WEIGHT: The Yes4All backpack weight is made of durable cast iron and finished in a black colour. It will last for years without corroding or breaking apart. Wide, smooth handle: our plate features a wide handle that makes it easy to insert and remove from the backpack; the smooth handle of the back weight provides a comfortable grip during exercise ERGONOMIC ROUNDED EDGES: Ruck Weights feature four smooth edges so they fit into laptop compartments or elastic pockets while protecting nearby floors and devices from damage. Ideal for back and military training: when you use back weights while jogging or hiking, you burn calories, improve your aerobic endurance and build strength and muscle mass Strengthens the hips and posture stability: the weight of the backpack pulls shoulders and back into a line; as your body gets used to carrying backpacks, it becomes easier to maintain a correct posture in everyday life