Vitra ACX Soft Office Chair

Manufacturer: Vitra

Designer: Antonio Citterio, 2023

This is an original genuine Vitra piece.

ACX is the tenth office swivel chair that Vitra has developed in collaboration with Antonio Citterio. With its automatic synchronised mechanism, the compact ACX offers maximum comfort for every user without any need for adjustments other than seat height – while exhibiting a distinctly non-technical appearance. The construction, materials, production, logistics and maintenance of ACX are designed to achieve a long life cycle with the smallest possible carbon footprint.

The ACX mechanism automatically adjusts to a wide range of user weights: even very lightweight or heavier individuals can sit down and enjoy instant comfort and optimum support throughout the full scope of movement, without having to adjust anything except the seat height. That makes ACX particularly suitable for environments in which dynamic collaboration processes have replaced sitting for long periods in the same chair.

The design of ACX features a limited number of components, which simplifies service and maintenance. The parts are made of recycled materials whenever possible and can be easily separated and recycled again at the end of the product‘s life. Depending on the chosen model, ACX is therefore up to 100% recyclable.

ACX has a casual and relaxed appearance: with its clean lines and choice of knitted fabrics in a wide selection of colours, it functions as a design element in the office – instead of a necessary addition tolerated for the purpose of ergonomics.

ACX is the ideal chair in any setting that calls for healthy ergonomic seating with an understated inviting aesthetic along with a focus on longevity and compliance with stringent ecological standards.

ACX Soft stands out from the other two models in the ACX family – Light and Mesh – in that its backrest has a padded knit cover. This soft comfortable textile made of recycled polyester lends the task chair a particularly inviting appearance. Available in a choice of seven colours, the knitted fabric can be combined with a light or dark chair frame, allowing for a wide variety of configurations. The seat cover can be selected in the same knitted fabric or in the textile Plano.

Dimensions: Width:59-69cmcm x Depth: 42-49cm (50-78cm) x Height: 97.5-110.5cm (Seat Hight: 40-53cm)

Seat mechanism: synchronised mechanism with automatic weight adjustment and two backrest resistance settings (hard or soft). Equipped as standard with seat height and seat depth adjustment. Optionally available with or without synchronised forward tilt (can be disengaged). Mechanism can be locked in upright sitting position. Seat mechanism matches the frame colour (deep black or soft grey).

Seat upholstery: polyurethane foam or PU-foam-free padding with formfit seat (F). Knit or fabric seat cover.

Backrest: back frame with semi-closed shell and slightly transparent knit cover. Frame made of polypropylene (deep black or soft grey). Optional height-adjustable lumbar cushion.

Armrests: height-adjustable armrests or 3D armrests with adjustable height, width and depth. Armrest supports made of polyamide in deep black or soft grey (to match frame colour). With PU-foam-free (F) pads in basic dark (for frame colour basic dark) or dim grey (for frame colour soft grey). Available either with fixed armrests in polypropylene (deep black or soft grey to match frame colour) or without armrests.

Base: five-star base made of polyamide in deep black or soft grey (to match frame colour), with double castors (Ø 60 mm).