Ideal aid for improving strength and endurance in functional and complex multi-joint movements. It is used as additional weight, evenly distributed on the shoulders during pressing, rotational, squats, etc. exercises.

The Bulgarian bag by Viking is made of very durable PU Leather and features multiple integrated handles and strong suspension straps, making it easy and safe to use.

It is filled with sand, evenly compartmentalized, to "sit" proportionally on the shoulders and feel like an extension of our torso.