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 back options. Utilizes the latest body balance technology mechanisms. Stool kit options can also be specified for sit-to-stand or elevated work surfaces. Finishes include black and white frame options, multiple base options (including white) and 3 different colors of mesh, 3 colors of welded fabric (4U Groove) and upholstered back options.

task | conference | drafting stool



price sheet | mini brochure
autoCAD | revit
LEVEL e3 cert | VOC cert

4u mesh 4u groove 4u mid back upholstered 4u drafting stool
mesh back
groove (welded back)
upholstered mid back
drafting stools

 

4U: high design and high performance task/conference 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

  • two seat sizes: medium and large with via seating signature comfort

  • three control options: 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

welded 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

 

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