Invented in 1999 by David Weck, BOSU Balance Trainer is a popular fitness training device that is used for athletic drills, balance training, and aerobic activities. We aim to continue offering products that can expand, shape, and redefine the meaning of functional training. This combination of stable/unstable positions allows fitness trainers to learn different workout techniques and other forms of exercise. Today, BOSU products offer extremely simple presentation and are widely known for building strength, and fine-tuning skills for any endurance sports.