Frame
All structural parts of the frame are made of solid wood. Some components are made of plywood.
Seat Cushion
Comfort EU: The inner core is cold foam covered with fibre padding.
Comfort 2: The inner core is cold foam with feather top. The cushion is reversible (not leather).
Back Cushion
Comfort EU: In fabric the inner cover is filled with ball fibre. In leather the inner cover is filled with a ball fibre and polyflock mix.
Comfort 2: The inner core is filled with a feather and ball fibre mix. The cushion is reversible (not leather).
Upholstery
Both fabric and leather covers. The cushion cover can be removed and washed according to the washing and care instructions.
Birmingham LC: Fabric covers that can be removed and washed according to the washing and care instructions.
Legs
Chromium, oxidised or brass piano wheels, with wooden details in the following colours: Dark brown, Untreated, Beech, Oak, Imitation oak, Walnut, Black. The rear legs never have wheels. Wheeled legs always come with matching metal cups.
Other
The model has piping.