4u

The flowing sleek lines of this chair by S.I. Design » adds to the ambiance of sophistication in any environment while also providing incredible ergonomics, comfort and functionality. 4u’s range of backs include mesh, upholstered or welded fabric “groove”, which is a slim, comfortable hybrid of mesh and fabric. White and black frames are available with matching arms and bases. 4u offers two seat options: the euro slim line sit and the enhanced comfort sit. Also available as task stools.

SPEC IT & QUOTE
4u groove back enhanced comfort seat private office chair.
Application: 4u groove back enhanced comfort seat private office chair.
4u mesh back slim line seat work chairs in a medium sized office. (Photo: Rightsize Facility)
Application: 4u mesh back slim line seat work chairs in a medium sized office. (Photo: Rightsize Facility)
4u mesh back slim line seat private office chair.
Application: 4u mesh back slim line seat private office chair.
4u mesh back slim line seat home office chair.
Application: 4u mesh back slim line seat home office chair.

Spec It 3D Configurator

Options

Note: Newest options are marked with a ★

Back Styles

Mesh

Mesh

Groove

Groove

Upholstered

Upholstered

Seat Styles

Enhanced comfort medium (B)

Enhanced comfort medium (B)

Enhanced comfort large (C)

Enhanced comfort large (C)

Slim line medium (B)

Slim line medium (B)

Arms

Armless

Armless

Black 6-way

Black 6-way

Guide: watch »

White 6-way

White 6-way

Guide: watch »

Black 8-way

Black 8-way

Guide: watch »

White 8-way

White 8-way

Guide: watch »

Polished 8-way

Polished 8-way

Guide: watch »

Black roll back

Black roll back

Guide: watch »

Black basic adjustable

Black basic adjustable

Guide: watch »

Black fixed upright

Black fixed upright

Black fixed cantilever ★

Black fixed cantilever ★

Polished fixed cantilever ★

Polished fixed cantilever ★

Control Mechanisms

Auto-adjust body balance

Auto-adjust body balance

Guide: watch »

Auto-adjust body balance + seat depth adjustment

Auto-adjust body balance + seat depth adjustment

Guide: watch »

Quick adjust synchro

Quick adjust synchro

Guide: watch »

Quick adjust synchro + seat depth adjustment

Quick adjust synchro + seat depth adjustment

Guide: watch »

Quick adjust synchro + seat depth adjustment + forward tilt

Quick adjust synchro + seat depth adjustment + forward tilt

Guide: watch »

Body balance for stools ★

Body balance for stools

Guide: watch » »

Adjustable Lumbar Supports

Black

Black

Guide: watch »

 

Available on mesh or groove backs.

White

White

Guide: watch »

 

Available on mesh or groove backs.

Integrated in upholstered backs

Integrated in upholstered backs

Stool Height Ranges

Available to use with the body balance for stools control mechanism & medium sized seats only.

Telescoping gaslift with a footrest ★

Telescoping gaslift with a footrest ★

Guide: coming soon

Tall stool with a footrest.

Tall stool with a footrest.

Control Guide: watch »
Footring Guide: watch »

Extra-tall stool with a footrest.

Extra-tall stool with a footrest.

Control Guide: watch »
Footring Guide: watch »

Bases

Black 5-star

Black 5-star

White 5-star

White 5-star

Polished 5-star

Polished 5-star

Brushed 5-star

Brushed 5-star

Casters & Glides

Black carpet casters

Black carpet casters

Black carpet casters + safety brake

Black carpet casters + safety brake

Grey-black all floor casters

Grey-black all floor casters

Grey-black all floor casters + safety brake

Grey-black all floor casters + safety brake

Black glides

Black glides

Upholstery Layouts

Note: Multiple-upholsteries only available on upholstered backs.

Single upholstery

Single upholstery

Two-tone upholstery:

Two-tone upholstery:

  • 1 textile for seat;
  • 1 textile for back.

Sustainability

Responsibly Made

DfE Lead Design →

DfE Lead Design →

All Via Seating products follow the Design for the Environment (DfE) design approach ». During this process, all components are screened to identify and assess the human and ecosystem health impacts of chemicals of concern. We screen all product components to the ANSI/BIFMA e3-2019 Annex B- List of Chemicals of Concern and the California Proposition 65 List.

Vigorous Testing →

Vigorous Testing →

Our products are annually assessed by a 3rd party team of chemists & globally-recognized ISO 17025 accredited lab. They are rigorously tested for conformance to ANSI/BIFMA e3 standard credits 7.6.1, 7.6.2 and/or credit 7.6.3 as well as conference to low-emitting materials. Prior to product launch, every product is continuously developed testing its functionality & durability within Via Seating’s ISO 17025:2017 accredited lab ».

Environmental Impact →

Environmental Impact →

All Via Seating products are BIFMA LEVEL® certified. LEVEL® is an evaluation and certification system for environmentally-preferable and socially-responsible office furniture. 3rd party certification is achieved by conformance to a multi-attribute standard created by the Business and Institutional Furniture Manufacturer’s Association (BIFMA) that evaluates product impacts across categories including Materials, Energy, Human Health and Social Responsibility.

End of Life ↺

End of Life ↺

Via Seating provides accessible care guidelines » that help maintain the quality of every product and easy-to-follow disassembly instructions » when a product reaches the end of its life.

S.I. Design team.

S.I. Design

In 1996 Lorenzo founded S.I. Design with designers Mirco Pegoraro and Mauro Naletto. S.I. specializes in furniture design, particularly for offices and communal spaces. Today, their team of eight focuses on design and technical assistance in product development utilizing advanced modeling programs.

Meet the Designers