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Explore Opt4 High-Density Stack Chair

Opt4 delivers comfort and design in a high-density stack chair. It enhances design versatility with mix and match material options and features lightweight maneuverability and supple body-conforming comfort.

Refined Aesthetic and Remarkable Comfort

Opt4 high-density stack chairs feature a refined aesthetic that complements any environment. Mix and match design options with poly, mesh, or upholstery materials. Its waterfall front seat edge eases pressure points for remarkable comfort. Lightweight Opt4 is easy to lift, stack, and maneuver for versatile adaptability.


  • Curved front seat with waterfall edge and body-conforming mesh material result in tailored comfort.
  • Choose from mesh or poly backs with mesh, poly, or upholstered seats.
  • Lightweight Opt4 chairs provide high-density stack-ability for ease of movement and storage


  • Mesh is a knitted yarn made from 100% recycled PET bottles.
  • Poly seats are made from 100% recycled polypropylene.
  • Frames are finished in either baked-on electrostatically applied powder coat paint or bright nickel chrome plating.
  • Transport dolly has two swivel casters and two fixed casters.

Product Highlights

High-Density Stacking
High-Density Stacking

Opt4 high-density stack chairs stack 38-high on dolly, 20-high on dolly with upholstered seat, 10-high on floor and 5-high on floor with upholstered seat. Chairs with a poly backrest feature an integral handle for ease of moving. Chairs with upholstered seats have a bumper to protect seat cushions when stacked.

Mixed Materials
Mixed Materials

Opt4 seating is available as mesh seat/mesh back, mesh seat/poly back, poly seat/ mesh back or poly seat/poly back. Optional cushioned upholstered seat provides added comfort and more design options. Available in three classic colors: black, stone grey, and white.


Opt4 high-density stack chairs deliver significant comfort with a waterfall seat edge that eases pressure points. Mesh options offer cooling ventilation as well as supple seating surfaces that conform to body shapes.


Opt4 high-density chairs come with four glide options: nylon, steel, felt, or PVC/non-skid. Glide caps are interchangeable.

List Price Starts At

$279 –  $513

Lead Time

5* Weeks

*For an order quantity greater than 250 units, please contact customer service for lead time. Opt4 high-density stack chair dollies have a lead time of 7 weeks.

Product Warranty


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