SomaInfinity SI-F™

  • Features
  • Options
  • Fabrics
SomaInfinity™ SI-F

About SomaInfinity™

The next generation Executive and Conference Chairs

SomaInfinity™ - The world's first Open-System™ real ergonomic chair designed for executives and conference rooms. SomaInfinity™ is real ergonomics in a modern design aesthetic. It's unique hourglass shaped backrest must be tried to be appreciated. Once you compare it to what you are used to, you'll understand how much better our unique Open-System™ backrest design is and how much better you'll feel sitting in it every day. Your upper back, neck and shoulders will be glad you did. It also has a super smooth ride and adjusts so easily, you'll love it. The new SomaInfinity™ also benefits from SomaSmartSeat™ technology for superior comfort as well as seat and back height and angle adjustment for incredible comfort.

The executive E model comes standard with a countered memory foam seat, Synchronous and independent seat and back angle adjustment, adjustable lumbar, and seat depth adjustment so you'll look and feel great. You can also purchase with confidence because Soma's revolutionary OpenSystemSeating™ design is preferred by world class ergonomic experts. With it's innovative design look SomaInfinity™ is destined to be a landmark in the history of seating design.

More than a chair, a modular chair system
  • Angle adjustable or Synchronous Rocking Seat and back with infinite lock, forward tilt, back angle adjust seat depth
  • Innovative upper back, neck and shoulder muscle relaxing backrest
  • Easy-to-Reach Adjustments
  • Environmentally friendly
  • Formaldehyde-free structure
  • Highest quality CFC-free cushions
  • Organic fabrics available, standard
  • 10-year warranty

  • SomaArmrest AAUDAAUD
  • SomaArmrest AAFAAF
  • SomaArmrest ARUDARUD
  • SomaArmrest ARFARF

  • SomaArmrest ARUSARUS
  • SomaArmrest ARFLARFL
  • SomaArmrest AA-F-PArAA-F-PAr
SomaArmrest and SomaArmrest Pad options
  • SomaArmrest AAS Swing AnimationAAS1


Armrest Options

Like all Soma product components, any Soma armrest or armrest pad can be used with any Soma chair (there are some combination exceptions. For details, see our price list "Notes" section).

  • AF
    • Fixed
  • AFc
    • Fixed Height with Chrome
  • AH
    • Adjustable height, 4"
  • AL
    • Adjustable height, 4"
    • Adjustable width, 3"
    • Formerly ALN
  • AS
    • Swing-Away™
    • The original, exclusive Swing-Away™ armrests invented by Soma Ergonomics.
    • Swings all the way back behind the backrest for maximum accessibility and freedom of motion, plus elbow support when sitting in reverse on a SomaHybrid™
  • AP
    • "Adjustable Pivoting"
    • Lockable pivot, 30 deg
    • Adjustable height, 4"
    • Adjustable width, 3"
  • AR
    • "Adjustable Rotating"
    • Lockable Rotation, 360 deg
    • Adjustable height, 4"
    • Adjustable width, 3"
  • PA
    • "Dual Pivoting Attachment"
    • Can be combined with all armrest types
  • AA
    • Adjustable height, 3"
    • Budget arm support

Armrest Pad Options

  • Urethane
    • Standard
  • Upholstered
    • Fabric
    • Vinyl
    • Leather (shown)

Standard Fabrics

  • GR1-MogulsMoguls
  • GR1-OpenHouseOpenHouse
  • GR1-RevolutionRevolution

Optional Upholstery

  • GR2-Meridian/HotShotMeridian/Hotshot
  • GR2-MoonscapeMoonscape
  • GR2-VinylVinyl

  • GR2-Vinyl ClassicVinyl Classic
  • GR2 Power PlayPower Play
  • GR3 BrisaBrisa

  • GR3-Brisa-DistressedBrisa Distressed
  • GR3 Silk1Silk 1
  • GR3 Silk2Silk 2

  • GR3 Silk2African Leopard
  • GR4 Cheetah1Cheetah 1
  • GR4 Cheetah2Cheetah 2

  • GR4 CowprintCowprint
  • GR4 LeopardLeopard
  • GR4 OcelotOcelot

  • GR4 Snow LeopardSnow Leopard
  • GR4 ZebraZebra
  • GRL Lena1Leather 1

  • GRL Lena1Leather 2


Choose from a wide variety of fabrics, vinyl, or leather.

Soma provides textiles available for every budget. Choose from three fabric grades, two vinyl grades, and for the ultimate in coverings, leather.

The textiles at Soma are eco-friendly, manufactured from 100% recycled/recyclable materials, keeping with our belief in a greener culture.

Swatch samples are available on request.

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