I tried a ball but found the lack of air circulation made the backs of my legs sweat uncomfortably. Went back to my Steeelcase Leap. It's not mesh like the Aero

I tried a ball but found the lack of air circulation made the backs of my legs sweat uncomfortably. Went back to my Steeelcase Leap. It's not mesh like the Aeron, but the cushion was a lot better than sitting directly on rubber all day.