Sum Office Chair by Allsteel
Sum Office Chair in Black by Allsteel Low Stock
An office chair that’s more than just comfortable, but automatically creates a perfect seating fit and posture for 90% of human shapes and sizes. Sum is made with several proprietary design features that provide completely customized, totally foolproof support for anyone who sits down.
And all without training, tuning, or trying to find controls and figure out which does what.
Sum's AutoFit lumbar system uses air displacement to automatically support the user's back, reduce pressure points, and improve circulation. Technology-driven performance and ergonomics. Style in a graceful profile. Models for every part of the office.
- Tilt Tension Lock
- Adjustable Height
- Adjustable Seat
- Ergonomic Motion
- All Adjustable Arms
- Multi-Surface Casters
- Synchro Tilt Mechanism
- Built-in Lumbar Support
- Overall Size - 24.75" W x 25.5" D x 40" - 45" H
- Seat Size - 18" W x 15" - 18" D x 17.25" - 22.25" H
- Back Seat - 16" W x 24" H
- Seat Depth - 9" - 12" D
We are not authorized Allsteel dealers.