If you want to buy a weight-bearing sand clothing to hurt in boxing then this Adjustable Weighted Vest will be your best choice. This kind of sand clothing is designed specifically for Sanda competition and sparring. It has the perfect function of protection for trainers and competitors. It is used mainly for wrapping around your upper body to the punches kicks and knee strikes. Moreover the sand weight is adjustable. It is made of high density material and comfortable to wear.