Running Weight Bag Speed Training Sandbag Adjustable Weight Sled Running Training Used for Sprinters with 3 Weight Sandbags

Using this running weight bag allows you to drag the weight in the bag, which can improve speed, explosive power, leg strength and endurance The speed training bag is a bag you drag on the ground.It comes with 3 inner bags, Each bag can be filled with about 10 pounds of sand. You can fill it with the right weight of sand as needed. The weight-bearing training bag does not contain sand, you need to fill the inner bag with sand. It has a hook and loop fastener closure and a webbing handle to prevent hourglasses and is easy to carry. The sprint training sandbag is designed with an adjustable waist belt, which is designed for users of different sizes, suitable for all kinds of body shapes Sandbag sled trainer package With the help of this adjustable weight sled coach, explosive power and speed can be improved, aiming to improve lower body strength, flexibility, endurance, and flexibility exercises. This agile training equipment is equipped with a comfortable and adjustable waistband, three empty weight bags (capable of holding 10 to 30 pounds), and a durable outer shell. 3 detachable weight bags, each capable of filling approximately 10 pounds of sand to adjust the traction resistance for variable weight training