Everybody has a favourite chair. The chair that fits you like a glove. Seating is highly personal, like clothing. The Life chair by Knoll offers supreme comfort and ergonomic performance in a wide selection of finishes, fabrics and leathers. Life: Back: glass filled nylon frame, polyester yarn with co-polyester elastometric back suspension fabric. Upholstery topper: MDI polyurethane foam. Seat: glass filled nylon insert. Arm rests: aluminium/glass filled nylon post with thermoplastic urethane pad. Base: Glass filled nylon or die cast aluminium. Castors: clear nylon. Life: base: polished aluminium, grey. Mechanism: silver. Seat & back, grey, silver, polished aluminium detail. 7 Life back suspension fabrics. 3 approved fabric, 5 approved leather groups.