Bosu 7210850 Home Gym Equipment The Original Balance Trainer 65 cm Diameter Purple and Gray

BOSU Balance Trainer is known industry-wide as a versatile fitness device that delivers killer cardio workouts, builds strength, improves balance and flexibility, and fine-tunes sport skills. It consists of an inflated rubber dome attached to a rigid platform. The BOSU name is an acronym for Both Sides Utilized which refers to its versatility as a training device. Using the BOSU Balance Trainer dome side up provides an ever-changing, unstable, dynamic surface while the device itself remains stable.