Evolution Hemisphere Active Sitting Stool

$149.00 CAD

The Evolution Hemisphere Active Sitting Stool provides a compact alternative to The Original Evolution Ball Chair. It provides 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.

In stock

  • Height – Adjustable from 18 to 23 inches
  • Seat Diameter – 17.5 inches (45 cm)
  • Weight – 14 lbs
  • Weight Capacity – 250 lbs

The Evolution Hemisphere was born as a result of the need for a more compact ball chair solution. The Hemi (as we affectionately call it) offers similar benefits as our famous Evolution Ball Chair but with a smaller footprint. You will actively bounce and roll your way to a healthier day with this new compact seating solution.


  • Inflatable semi ball seat
  • Gas lift height adjustable
  • 5 point base with casters
  • Backless Design


  • Causes the sitter to balance and assists in keeping a upright, straight posture position
  • Keeps the user moving and eliminates sedentary sitting
  • Adjusts to your most beneficial sitting position
  • Base gives stability to the overall chair but allows for greater movement
  • No back means no sedentary sitting


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