![Beta² Mid Back Beta² Mid Back](https://cdn11.bigcommerce.com/s-lpku7oc/images/stencil/300x300/products/14275/68078/beta061__20817.1695649053.jpg?c=2)
Sitmatic Beta² Super High Back
Always Free Shipping
Ships in 10-15 Business Days
"Sitmatic, originally an Italian-based furniture manufacturer, specializing in drafting stools, has become an industry leader in proper ergonomic design. They design and manufacture all their components in California, producing incredibly well-engineered, Italian-built quality seating. All of the chairs in their Beta² Series have steel frames and components that allow them to boast "no weight limits", meaning that they support any user. This, along with their lifetime component warranty, speaks to the quality of these ergonomic high-back chairs. The Sitmatic Beta² super high-back chairs are highly customizable, so please contact us if you don't see what you need here.
- Super high-back back chairs with 21"W seat that fits 95% of users
- No weight limit, rated for 24-hour use
- PressureCast Seat Foam: PressureCast foam cushions are used rather than cut foam to ensure seating comfort
- Optional Air Lumbar Support: The scientifically engineered shape of these ergonomic super high-back chairs hugs and supports the back from the lumbar to the thorax
- Intuitive QuickBack allows you to move the backrest through an unprecedented 6" range in 27 increments
- Armless standard with 2 arm options
- Optional headrest adjusts 6" in height and 2.5" in depth; dual pivot angle adjustment
- Premium Black Polished Aluminum 24" Base
- Sync or Multi-function mechanism
- Lifetime structural warranty, 10-year warranty on worn components, and 5 years on electrical components
Mechanism: Sync or Multi-function
SN Sync The entire ergonomic super high-back chair rocks in a synchronized free-float mode; the backrest reclines 20° (90° to 110°) while the seat reclines 9° (0° to -9°). Tension adjustable. Lockable in 6 different positions. Backrest height adjusts 6 inches into 27 different positions using an intuitive, visible lever. Seat depth adjusts 2½” in 6 positions. Seat height adjusts pneumatically.
Multi-function Center tilt rocking mode. The backrest angle is adjustable at 16° (89° to 105°). Seat angle adjusts 7° (-5° to 2°). Tension adjustable. Lockable in 6 different positions. Backrest height adjusts 6 inches into 27 different positions using an intuitive, visible lever. Seat depth adjusts 2½” in 6 positions. Seat height adjusts pneumatically.
Arm Options
+1A: Arm height adjusts 4” into 10 different positions. Arm width adjusts 2” per side into 6 different positions. Height, Width, 360° Pivot, Contoured Caps
+6K: Arms swing back and out of the way. Arm height adjusts 3” into 6 different positions. Foldable, Height, NO PIVOT, Soft Gel Caps
Air Lumbar: Inflatable Lumbar Bolster
Headrest: Adjusts 6" in Height and 2.5" in Depth; Dual Pivot Angle Adjustment
- Overall Dimensions Armless:
- 21" W x 21" D x 45.25”-50.5”
- Overall Dimensions with Arms:
- 25-29" W x 21" D x 45.25”-50.5”
- Seat Width:
- 21"
- Seat Depth:
- 19"
- Seat Height:
- 16.25"-20.25"
- Back Width:
- 18"
- Back Height:
- 22.75"
- Base Diameter:
- 24"