Weighted vest

A weighted vest, comprising:

• a front piece body having a front main piece, a front left shoulder strap and a front right shoulder strap, wherein one end of the front left shoulder strap and one end of the front right shoulder strap are both connected to the front main piece, the front main piece has a front pocket for holding a weight, the front left and front right shoulder straps have a plurality of loops along their extending direction;
• a back piece body having a back main piece, a back left shoulder strap and a back right shoulder strap, wherein one end of the back left shoulder strap and one end of the back right shoulder strap are both connected to the back main piece, the back main piece has a back pocket for holding a weight, the back left and back right shoulder straps have a plurality of loops along their extending direction;
• and
• a reinforcing connection element having a connecting component, a left metal wire and a right metal wire, the connecting component being detachably mounted on the front main piece, wherein the loops of the front left shoulder strap and loops of the back left shoulder strap are alternately arranged such that the left metal wire, whose one end is connected to the connecting component and extends from the front main piece, interlaces and passes through the loops of the front left shoulder strap and the loops of the back left shoulder strap, and extends to the back main piece, and the right metal wire, whose one end is connected to the connecting component and extends from the front main piece, interlaces and passes through the loops of the front right shoulder strap and the loops of the back right shoulder strap and extends to the back main piece, and the left and right metal wires are detachably mounted on the front and back main pieces.