WORLD'S MOST VERSATILE and effective sandbags for weight training, ruck weights to fill a rucking backpack with weights, a Sand Bell workout sand bag is soft safe easy to grip neoprene.

"The sandbag getup is widely used in tactical training, combat sports, obstacle course racing, and general fitness," says Joshua King, personal training leader at Life Time Gainesville, FL.

Get ready to feel the sand in your hands and the difference in your body! Why is the Sandbag the Fitness World's Best-Kept Secret? Sandbag training offers a unique set of advantages that set it ...