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.
Click the + signs or words below to see details on each option including frame colors & mesh.
Mesh
Groove
Upholstered
All 4u seats use Via Seating’s comfort foam. This is a proprietary blend of high-density, injection-molded, closed-cell, cold-cured comfort foam » so durable and lasting it is backed by Via Seating’s 12 year warranty. Unlike traditional stacked foam pieces, Via’s seats are contoured to maximize comfort and support where needed with a circulation supportive waterfall edge.
Note: Dimensions for each seat size are width x depth of the seat measured off the chair. See the Dimensions tab above for exact seat dimensions for each configuration.
Enhanced comfort medium (B)
20.5″ x 19.5″
Enhanced comfort large (C)
22.0″ x 19.5″
Slim line medium (B)
19.5″ x 19.0″
Optional black adjustable lumbar support
Optional white adjustable lumbar support
Adjustable lumbar support integrated in upholstered backs
Guide: watch | pdf »
Single upholstery
Two-tone upholstery:
Available on upholstered backs only
Black signature 6-way arms
White signature 6-way arms
Black adjustable arms with optional add-ons
White adjustable arms with optional add-ons
Standard armless
Black upright fixed arms
Quick adjust synchro
Quick adjust synchro + seat depth adjustment
Sit-to-stand telescoping gaslift with a footrest
Tall stool using a body balance mechanism
Black 5-star base
White 5-star base
Polished 5-star
Brushed 5-star
Black carpet casters
Black carpet casters + safety brake
Safety brake feature that locks the caster when the user gets out of the chair
Grey-black all floor casters
Grey-black all floor casters + safety brake
Safety brake feature that locks the caster when the user gets out of the chair
Black glides
Matte black
Matte white
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.
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 ».
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.
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.
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.
