Meet the Hyperwear Fit RUCK: a convertible sandbag weight training system that can be used as a variable-weight workout tool. It can carry up to 60 lbs of sand bells or steel balls. Simply load it up, strap it on your back, and get going. Detach the shoulder straps to use this tool as a training weight.
More gadgets like this ➡️ : here
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.