FLEX Z-shape chair

Model 7853

FLEX Z-shape chair

Model 7853

The ergonomically shaped FLEX seat shell made of robust and recyclable polypropylene is equipped with the easy-to-clean A2S surface structure. The special shape allows different sitting positions and ensures comfort in all directions.

The worldwide patented Z-shape frame supports the toning of the back muscles and relieves the spine when sitting. The 3D rocking effect allows movement, thus promoting blood flow to the brain and enabling greater concentration.


  • FLOORSAFE® felt floor protectors
  • Chair frame chrome plated
  • Fully upholstered FLEX (size 5-7)


  • FLEX seat shell with grip hole, easy to carry due to its low weight
  • Innovative Z-frame supports the toning of the muscles through 3D movement
  • Optional seat shell with full upholstery from size 5 possible
  • Seat shell with integrated ventilation channels - the closed surface prevents soiling and thus mold formation in the shell interior
  • Extremely robust Z-shape frame due to 2.5 mm wall thickness with the 3-component A2S FLOORSAFE® floor protectors.
  • Protective pads attached to the underside of the chair protect the table when it is placed on the tabletop
  • 2 chairs stackable and easy to carry due to low weight
  • Shell shape allows various comfortable sitting positions, including reverse sitting due to folded elbow support

Standard version

Plastic shell ergonomically shaped. Material made of polypropylene, recyclable, manufactured in double-wall blown process. Thus soft sitting due to air cushioning effect, with integrated ventilation channels and groove to relieve the spine. Grip hole in the lumbar region and recessed grips on the upper edge of the backrest and underside of the chair.

Z-shaped frame with 3D rocking effect, sizes 2-4 round tube: 22/2.5 mm, sizes 5-7 round tube: 22/3.0 mm, epoxy coated. With 3-component floor protector A2S FLOORSAFE®. To be placed on the table top.

Fabric properties

FLEX upholstery

Flame retardant according to DIN 4102 B1 | 250 g/m2 +/-5% | 40,000 Martindale tours | Linting 4 | ÖKO-Tex 100

Load capacity

125 kg


FEMB level:2017 (Level 3)

DIN EN 1729-1, DIN EN 1729-2, DIN EN 16139


Size 2 3 4 5 6 7
Chair width 39 cm 39 cm 39 cm 45 cm 45 cm 45 cm
Chair height 62 cm 66 cm 69 cm 79 cm 82 cm 87 cm
Seat height 31 cm 35 cm 38 cm 43 cm 46 cm 51 cm
Chair depth 37 cm 39 cm 39 cm 53 cm 53 cm 53 cm
Stackability 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs.
Weight 4 kg 4 kg 5 kg 6 kg 6 kg 6 kg