Skip to nav Skip to content

Explore Torsion Air Nesting Chair

Torsion Air® combines a patented torsion flex mechanism with a fresh, mesh back. The result is a light visual impression, breathability and exceptional comfort. Nesting styles have a flip-up seat for efficient and convenient storage. Available with arms, armless, or with tablet arm.

Elevated Torsion Comfort

Experience the epitome of sleek, contemporary, and embracing comfort. This innovative take on the timeless Torsion® design harmonizes a lighter aesthetic, enhanced breathability, and unparalleled comfort.


  • Mobile Torsion Air nesting chairs combine versatility with a lighter visual impression and exceptional comfort
  • Patented torsion flex mechanism delivers flex back comfort, encourages movement, relaxation and enhanced circulation
  • Flip-up seats enable convenient nesting for storage or transport
  • Arms, armless or tablet arm (standard or Piretti)
  • Breathable mesh back with upholstered seat


  • Seat is two-piece construction with molded poly liner and shroud in a textured finish
  • Backrest is molded glass-reinforced nylon with 100% polyester mesh in black or grey
  • Torsion mechanism creates gradually increasing resistance over the full 12 degrees of back flex
  • Frames are 1", 13-gauge high-strength low alloy steel tubing
  • Frames are finished in either baked-on electrostatically-applied 45-sheen powder-coat paint or bright nickel-chrome plating
  • Carpet or hard floor caster or 2" bell glide.

Giancarlo Piretti

Giancarlo Piretti (Bologna, Italy, 1940) is an Industrial Designer. Among his successful designs are Plia folding chair, his best-seller exhibited at Moma NY, Platone folding desk, and DSC (106-AXIS) seating system. For Vertebra chairs he obtained the Compasso d'Oro (Italy) as well as for his largest project, Piretti Collection office & institutional seating system. Other designs include Xylon wooden chairs, Torsion collection of institutional chairs; Engage & Impulse office chair lines featured by a synchro tilt mechanism Piretti developed; #18000 nesting & stacking chairs; and the Strive chair collection. The Pirouette nesting table and Grazie and Doni chairs for KI U.S. are G. Piretti's latest designs.

List Price Starts At

$920 –  $1,325

Lead Time

4* Weeks

*For Torsion Air nesting chairs with tablet arms, lead time is 5 weeks.

Product Warranty


Request a Quote

To request a quote for this product, submit the form below and a KI representative will contact you shortly.

By clicking "Accept All Cookies," you agree to the storing of cookies on your device to enhance site navigation, analyze site usage and assist in marketing efforts. For more information, see Website Privacy.

Accept All Cookies