vari task chair w/headrest - office chair with multiple adjustment points and rolling casters - pivoting ergonomic backrest for maximum lumbar support - no tool assembly vari the task chair with headrest offers the comfort and support you need to do your best work. in addition to an adjustable headrest, it features a reinforced mesh back for breathability and a pivoting ergonomic backrest for maximum lumbar support. with multiple adjustable settings, no-tool assembly, and casters that work on carpet or wood floors, it’s a simple, flexible addition to any workspace.