Some reviewers, however, have complained about the zipper that goes up the back of the chair. A bit unsightly if the chair is free-floating, but no big deal if it's placed against a wall or if you ...

To adjust the point where the support is the stiffest, move the zipper up and down ... my desk), and the curved back hugs your spine. In this ideal position, the chair props you up with just ...

With the help of a little bit of petroleum jelly and a trusty cotton swab, you can rescue your zipper from its snarled state and get back to smooth zipping in no time. Don’t have it on hand or ...