Running Weight Bag Speed Training Sandbag Adjustable Weight Sled Running Training Used for Speed Training 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.
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