• Task, stool, conference and executive seating.
• Mesh or upholstered seat.
• Ratchet back with independent height-adjustable lumbar standard.
• Heavy duty multi-shift 24/7 optional (158 kg. rating).
• Warranted up to 136 kg.

Wholly customizable

With thousands of textiles to choose from to customize models for the lunchroom or the board room, Theory is a cornerstone of flexible design and space planning.

See all the possibilities with 9to5 Seating’s visualization tool Chair Designer, and specify a custom Theory right from the tool.

Embrace ergonomics

Theory comes with wellness features built in, making natural, supported movement easy while promoting energy and alertness. Theory has multiple synchro tilt controls and arm options that include fixed and adjustable. And since the adjustable back height and lumbar can be paired with an optional seat-slider and head rest, Theory offers the complete package of ergonomic comfort.