HyperWear Sandbell, Empty, 25 lb professional boxing gloves The Zero Runner eliminates the

The Zero Runner eliminates the weight on the joints so users can walk

sprinting and explosive power

30 feet x 2 inch / Weight: 30Lbs

Zero-Impact Running™

HyperWear Sandbell, Empty, 25 lb professional boxing gloves The Zero Runner eliminates theThe SandBell from HyperWear is the most versatile and functional free weight on the market today. It combines the best features of dumbbells, kettlebells, medicine balls, slam balls and sand bag training all into one simple yet powerful weight training tool. Unlike traditional weight plates, the SandBell is a neoprene disc that once filled with sand (*sand not included ) will challenge your strength, test your stamina and push your limits like nothing