BOSU Exercise Ball - Blue (55cm)

The BOSU® Exercise ball was designed by personal trainers to be the most versatile and durable exercise ball on the market. This starts with where the

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BOSU Ballast Ball has 2.5 pounds of shifting weight inside that engages and targets more core and stabilizer muscles during exercises and creates more

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The BOSU Ballast Ball PRO stays put, so that balls don't wander around the gym floor. * High-quality, burst-resistant material, it has a six-sided

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