So, chair arrives... and I've planted my ass firmly in it. Adjusted and ready to serve me for many years. For anyone interested in this... tech - http://tribute.sbseating.com/product/hag/tribute-chair/?cc=en All available adjustments are explained at the bottom of the page. Tiltdown armrests, can be adjusted sideways and of course up and down. Seat can be adjusted back and forth. Headrest can adjust up, down and tilt. Responds to my movement, active as they describe it. Integrated lumbar support, adjustable up and down. Active tilt motion, lockable in front, back or neutral position. Adjustable tension in tilt motion. And of course the chair has a gas lift. My chair is in black aniline leather, top notch leather. Chair was US $2100, €1790, £1630 GBP , 16700 NOK.