4U series

Italian design team SI DESIGN created our newest and boldest task chair series: 4U. Designed from the bottom up around you with a shape that fits you, supports you and looks great. An incredibly versatile series with upholstered, mesh and welded fabric ("groove") back options. Utilizes the latest body balance technology mechanisms. Stool kit options can also be specified for sit-to-stand or elevated work surfaces.

task | conference | stool

quick downloads:

  • price sheet
  • mesh mini brochure
  • groove mini brochure
  • upholstered mini brochure
  • autoCAD
  • revit
  • BIFMA LEVEL® 2 certification
  • VOC+ certification
  • high res photography
  • 4U: high design and high performance task/conference/stool seating

    features:

    • designed by SI DESIGN

    • black and white frame options for groove, mesh and upholstered backs

    • mid back available in mesh, welded fabric (4U groove) and upholstered options

    • three seat sizes: slim-line medium, extra comfort medium and slim-line large with via seating signature comfort

    • four control options: quick flex synchro with single rotation adjustment, basic body balance, enhanced body balance and stool kit (seat slides are also available

    • see options for more customization opportunities

    • weight capacity: 300lbs.

    • warranty 12 years (includes foam)/5 for mesh & groove welded fabric – see warranty for more details

    frames

    4u black frameblack 4u white framewhite

    mesh colors

    4U black mesh

    black

    4U graphite mesh

    graphite

    4U stardust mesh

    stardust

    groove fabric colors

    4U black welded fabric

    black

    4U dark grey welded fabric

    dark grey

    4U light grey welded fabric

    light grey

    4U taupe welded fabric

    taupe

    4U red welded fabric

    red

    4U blue welded fabric

    blue

    4U green welded fabric

    green

    lumbar

    4u black lumbarblack 4u white lumbarwhite

    controls

    66C control

    66C

    68C control

    68C

    34C stool control

    35C

    basic body balance

    user guide

    enhanced body balance

    user guide

    swivel & tilt for stools

    user guide

    arms

    33A, 35A arms33A, 35A 38A arms38A 46A arms46A 39A arms39A 51A, 52A, 53A arms51A, 52A, 53A
    forward angle, height adjustable, with rotating cap

    user guide

    height adjustable

    user guide

    fixed conference

     

    adjustable height, roll back feature

    user guide

    adjustable height, with 4D rotating caps options

    user guide

    bases

    18BB black base

    18BB

    18PB polished base

    18PB

    18BA brushed base

    18BA

    18WB white base

    18WB

    polyurethane, black aluminum, polished aluminum, brushed  aluminum, white