L1 Upholstered Midback

True to Allseating's design philosophy, L1 provides optimal, accessible and intuitive ergonomics for all users.

Prices effective November 1, 2022.

Fuel Surcharge of 6% of net value on all orders effective May 1, 2022.

Indoor Air Quality Certified
GSA Advantage


From private offices to open-concept work spaces, L1’s design fits seamlessly into an array of settings. Living up to its namesake by providing all-day support, L1 remains affordable proving style, comfort and health never need to be sacrificed in the name of cost.

Birch frame and base features black mechanism and black carpet casters.


Overall [Synchro Tilt]: 38.5" - 43" H | 27.5" W | 27.5" D
Seat [Synchro Tilt]: 15.5" - 20" H | 20" W | 20" D
Back: 22" H | 19.5" W


200+ textiles to choose from.

Back COM: 1 yard

Seat COM: 0.75 yards

Full COM: 1.75 yards


12 year comprehensive parts and labor, with weight limit of 350 lbs. Click here to view details.