The BOSU® NexGen™ Pro Balance Trainer (also referred to as the Half Blue Exercise Ball) has a whole new look, new exercises, and a textured dome with 4 quadrants to help with positional cueing and grip. The BOSU® NexGen™ Pro Balance Trainer is all about functionality. The four easy to distinguish textured quadrants allow for precise body positioning and cueing for cardio, agility, strength, core, balance and mobility exercises and drills. The textured markings also allow for enhanced grip for hands and feet. The options and exercise progressions are endless. Anybody can use it, regardless of fitness level.