This is a pretty special office chair that doesn't come up for resell very often 

This chair is designed for maximum comfort. Tall Back. Good heavy sold chair 

Posturite are considered one of the very best in these chairs designed to reduce back pain 

The chair has so many adjustments.  Seat, Arm and Back height. Seat and back tilt. Arm back and forth as well as up down. Sest depth. Lumber Pump back  plus Tension Control and front of seat the seat moves alittke with high back of legs 

This chair has every adjustment and new would be over £1000 

The condition is good. Minor marks to be fabric seat. Plus as you cam see from photos the plastic back pad has some surface scratches