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Evolution Hemisphere Active Sitting Stool

$169.99
The Evolution Hemisphere Active Sitting Stool provides a compact alternative to The Original Evolution Ball Chair while providing the same ergonomic benefits of improved posture, core strength and overall back health.   Improved posture and core strength can reduce back pain and sitting fatigue.  With a low profile half ball design, this high quality active sitting option features adjustable height, an anti-burst stability half ball, smooth rolling casters, and includes a pump.

Evolution Perch Active Sitting Stool

$249.99
The Evolution Active Sitting Perch Stool offers a compact alternative to The Original Evolution Ball Chair ideal for Sit-Stand application, while providing the same ergonomic benefits of improved posture, core strength and overall back health.  Improved posture and core strength can reduce back pain and sitting fatigue.  With a low profile half ball design, this high quality active sitting option features adjustable height, an anti-burst stability half ball, stationary glides, and includes a pump.