Back frame and seat shell are plastic.
Back: Air Liveback Technology with height adjustable lumbar support.
4 Back styles: Plastic Airback, 3D Microknit, Upholstery or Quilted Upholstery.
Seat: Adaptive bolstering with adjustable seat depth.
Backrest: Weight-activated responsive back tension mechanism automatically responds to create appropriate ergonomic support.
Arms: 4D adjustable independent armrests.
Base: Five-arm base is available in plastic.
Additional Options:
Coat hanger
Polished Aluminium Base
Hard or soft castors
Adjustable headrest
Armless
160kg weight loading