Hemisphere Stool w / Footrest

1 Each. Evolution Stool features an innovative design that helps you maintain excellent posture to make those long hours in front of the computer less stressful. Its comfortable ball seating reduces compression from the spine, builds core muscles and increases your energy levels for health and postural benefits. Anti-burst construction provides lasting durability and support to help you stay active. Height-adjustable seating allows you to sit at a comfortable level that best accommodates your work space.