by Design4/ Andreas Notter/ Wolfgang Ott/ Angelika Mosig und Jan Papenhagen

Four architects (the plus stands for +Züco) developed this shell-shaped lounge chair.


4+ Lounge - By architects for architects

This collaboration was the starting point for its success story.  The distinctive design is available in two different guises: with an elegant contrasting join or as a striking two-colour solution with the seat and backrest section in two different types of material.


Discover endless possibilities of this chair for aesthetically successful design solutions.


1 AA 181 Lounge chair without armrests, contrasting joint

Lounge swivel chair without armrests, medium-high wide fully upholstered backrest, wide seat with side cushions, contrasting join between the inner and outer side.


Technology and Options

  • Cross-type base in powder-coated die-cast aluminium polished finish
  • Plastic glides for carpet (standard)
  • Felt glides for parquet, linoleum and stone (optional)
  • Fixed armrests with armpads upholstered in polyurethane coated fabric, optionally upholstered in leather
  • Armrest in powder-coated ST 37 steel chrome finish
  • Supporting shell in PA6 plastic, upholstery shell with a hard foam structure and breathable CFC-free moulded padding with side guidance cushion
  • Supporting shell in breathable hard foam structure with CFC-free moulded padding with side guidance cushion

Model variantes

AA 181 Lounge chair without armrests, contrasting joint
AA 181
AA 281 Lounge chair without armrests
AA 281
AA 185 Comfort chair with armrests, contrasting joint
AA 185
AA 285 Comfort chair with armrests
AA 285
AA 180 Lounge stool, contrasting joint
AA 180
AA 280 Lounge stool
AA 280

Materials - see, feel, experience


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4+ Relax


Züco experience, always in your vicinity