- Swivel mechanism (1866DS), pneumatic height adjustment and seat-depth adjustment.
- Ratchet back-height adjustment.
- Height-adjustable arms with teardrop polyurethane arm pads (1861, 1860D, 1860).
- Swivel-tilt mechanism, infinite position tilt lock with 6° forward tilt, seat-depth adjustment, pneumatic height adjustment and tension control (1861, 1860D, 1860).
- High-density, high-resilience molded seat and back foam for comfort and durability.
- California Fire Code #117.
- ANSI/BIFMA approved.
Internal lumbar and lateral back support that adjusts to the user’s back for personalized support and comfort.