Proform® chairs

build & spec your own →
Proform® model on left: 162-74C-12SS-97A-18BA-16SCG | Textile: Maharam Conduit Fawn | Proform® model in middle: 182-74C-12SS-97A-18BA-16SCG-CTS-04 | Textile: Via Seating Via Leathers Slate 93 | Proform® model on right: 172-74C-12SS-97A-18BA-16SCG | Textiles: Maharam Conduit Ghost (seat) & Via Seating Via Leathers Slate 93 (back)

beautiful slim lines & curves combined with incredible comfort

Proform® model: 182-68C-97A-18PB-16HP-CTS-04 (white) | Textile: Via Seating Via Leathers Black 293.
Proform® model: 161-25C-96A-18BB-16HP | Textiles: Momentum Hue Seaport (seat) & Momentum Knack Wave (back).
Proform® model: 171-25C-97A-18PB-16HP | Textile: Ultrafabrics Ultraleather Pro Cougar.
Proform® model on left: 162-74C-12SS-97A-18BA-16SCG | Textile: Maharam Conduit Fawn. | Proform® model in middle: 182-74C-12SS-97A-18BA-16SCG-CTS-04 (white) | Textile: Via Seating Via Leathers Slate 93. | Proform® model on right: 172-74C-12SS-97A-18BA-16SCG | Textiles: Maharam Conduit Ghost (seat) & Via Seating Via Leathers Slate 93 (back).
Proform® model: 172-68C-12SS-97A-18BA-16HP | Textile: Via Seating Via Leathers Tobacco 230.
Proform® model: 182-74C-12SS-97A-18BA-16SCG-CTS-04 | Textile: Via Seating Via Leathers Slate 93.
Proform® model: 172-67C-97A-18PB-16SCG | Textiles: Momentum Crossing Colors Piano (seat) & Ultrafabrics Ultraleather Pro Char (back).
Proform® model: 172-67C-97A-18PB-16SCG | Textiles: Momentum Crossing Colors Piano (seat) & Ultrafabrics Ultraleather Pro Char (back).

Via Seating’s best selling conference room chair has beautiful slim lines and seductive curves.  Add on top of this three different designer stitch patterns including the newest diamond stitch that looks incredible in a glass conference room.  We can customize further with a contrast stitch and even embroider a logo as well.  Our signature proprietary foam makes this chair so comfortable; meetings will go by so fast.  Multiple arm options available include height adjustable arms and lumbar adjustable back allowing this to be a great task or executive chair as well. Proform® can be customized with different mechanisms for a variety uses.  Via Seating’s 12 year warranty includes the foam and includes labor giving you years of carefree service.  Delivered 95% assembled and the price includes delivery, making this the best value on the market.

  • Backrest: available as a mid or high back.
  • Stitching patterns: mesh with parallel stitch lines, upholstered with panel stitch lines, upholstered with parallel stitch lines & upholstered with diamond stitch lines.
  • Via Seating’s comfort foam: a proprietary blend of high-density, injection-molded, closed-cell, cold-cured foam so durable and lasting it is backed by Via Seating’s 12 year warranty.
  • Arms: height adjustable and multiple textured or upholstered fixed conference/executive arms.
  • Control mechanisms: featuring quick adjust advanced synchro with single rotation adjustments and advanced body balance controls.
  • Bases: five-star bases available in black nylon, polished aluminum and brushed aluminum finishes.
  • Max weight: 300 lb.
  • Quick Ship: 5-10 chairs produced in a 48 hour period.
  • Warranty: 12 year warranty including the foam, 2 years for mesh.

 

  • ANSI/BIFMA X7.1-2011 (R2016) Standard Method equivalent to CDPH Standard Method v1.1-2010 (Clean Air Gold).
  • LEED – v4.1 Low Emitting Materials (Clean Air Gold).
  • Living Building Challenge (LBC) – Imperative 08 (Clean Air Gold).
  • WELL – Feature 04 – VOC Reduction (Clean Air Gold).

     

Mesh Mid Back. (151)

Upholstered Mid Back, Panel Stitch. (161)

Upholstered Mid Back, Parallel Stitch. (171)

Upholstered Mid Back, Diamond Stitch. (181)

Mesh High Back. (151)

Upholstered High Back, Panel Stitch. (162)

Upholstered High Back, Parallel Stitch. (172)

Upholstered High Back, Diamond Stitch. (182)

Task stools.

  • Available on mid backs, all back styles.

mesh colors

arms

  • Armless standard.

    Armless. (-0A)

    • Armless chairs are standard on all models.
  • Adjustable arms.

    Straight upright height adjustable arm. (-10A)

    Features a 2D to 4D height adjustable arm that offers the following adjustments:

    • Arm moves up and down.
    • Optional arm width adjustment bracket extends each arm 2.0″ away from the sides of the chairs and back to the resting position.

     

    Standard armrest:

    12 cap

    user guide: view the guide →

    Basic height adjustable arm, black finish. (-38A)

    Features a 2D to 4D height adjustable arm that offers the following adjustments:

    • Arm moves up and down.
    • Optional arm width adjustment bracket extends each arm 2.0″ away from the sides of the chairs and back to the resting position.

     

    Preferred armrest:

    12 cap

    user guide: view the guide →

    Roll back arm. (-39A)

    Features a 3D height adjustable arm that offers the following adjustments:

    • Arm moves up and down.
    • Smooth roll back feature where the arm can be fully rolled back out of the way to easily slide in and out of the chair.

     

    Standard armrest:

    12 cap

    user guide: view the guide →

    8-way adjustable arm, black finish. (-51A)

    Features a 2D to 8D height adjustable arm that offers the following adjustments:

    • Arm moves up and down.
    • Optional armrest rotates in 15°, out 15°.
    • Optional armrest slides out 1.5″, slides back to resting position.
    • Optional arm width adjustment bracket extends each arm 2.0″ away from the sides of the chairs and back to the resting position.
    • Optional upholstery can be added on static armrest 20S & and 4D rotating armrest 20R.

     

    Armrest choices include:

    20S static cap is fixed

    20R rotating cap

    • Both armrests are available with option of upholstery. The 20R example above shows upholstery applied.

     

    user guide: view the guide →

    8-way adjustable arm, polished finish. (-53A)

    Features a 2D to 8D height adjustable arm that offers the following adjustments:

    • Arm moves up and down.
    • Optional armrest rotates in 15°, out 15°.
    • Optional armrest slides out 1.5″, slides back to resting position.
    • Optional arm width adjustment bracket extends each arm 2.0″ away from the sides of the chairs and back to the resting position.
    • Optional upholstery can be added on static armrest 20S & and 4D rotating armrest 20R.

     

    Armrest choices include:

    20S static cap is fixed

    20R rotating cap

    • Both armrests are available with option of upholstery. The 20R example above shows upholstery applied.

     

    user guide: view the guide →

  • Fixed arms.

    Black polyurethane cantilever arm. (-96A)

    Polished cantilever arm and black cap. (-97A)

    • Armrest is padded with a black polyurethane cap.

    Black loop arm. (-59A)

    Polished loop arm. (-54A)

    Polished loop arm with black cap. (-55A)

    • Armrest is padded with a black polyurethane cap.

    Polished loop arm with upholstered cap. (-61A)

    • Armrest is padded with a black polyurethane cap
    • Armrest is fully upholstered.

control mechanisms

  • Conference control mechanisms.

    Swivel tilt conference control. (-25C)

    adjustments:
    1 Seat height adjustment.
    2 upright position tilt lock (single position).
    3 Back/recline tension adjustment.

     

    user guide: view the guide →

    Swivel tilt conference control with seat slider. (-26C)

    adjustments:
    1 Seat height adjustment.
    2 upright position tilt lock (single position).
    3 Back/recline tension adjustment.
    4 Seat depth adjustment.

     

    user guide: view the guide →

  • Body balance control mechanisms.

    Auto-adjust body balance control. *new* (-74C)

    adjustments:
    1 Seat height adjustment.
    2 Back lock adjustment (3 position).

     

    note: 66C alternate.

     

    user guide: view the guide →

    Auto-adjust body balance control & seat slider. *new* (-74C-12SS)

    adjustments:
    1 Seat height adjustment.
    2 Back lock adjustment (3 position).
    3 Seat depth adjustment.

     

    note: 66C-12SS alternate.

     

    user guide: view the guide →

    Enhanced body balance control with dynamic fine-tuning. (-68C)

    adjustments:
    1 Seat height adjustment.
    2 Back tension adjustment.
    3 Tilt limiter.

     

    user guide: view the guide →

    Enhanced body balance control with a seat slider. (-68C-12SS)

    adjustments:
    1 Seat height adjustment.
    2 Back tension adjustment.
    3 Tilt limiter.
    4 Seat depth adjustment.

     

    user guide: view the guide →

  • Synchro control mechanisms.

    Quick adjust advanced synchro control. *new*
    (-67C)

    adjustments:
    1 Seat height adjustment.
    2 Back tension adjustment.
    3 Single rotation back tilt lock adjustment (5 position).

    note: 61C alternate.

    user guide: view the guide →

    Quick adjust advanced synchro control with a seat slide. *new* (-67CSS)

    adjustments:
    1 Seat height adjustment.
    2 Back tension adjustment.
    3 Single rotation back tilt lock adjustment (5 position).
    4 Seat depth adjustment.

    note: 62C alternate.

    user guide: view the guide →

    Quick adjust advanced synchro control with a seat slide & forward tilt adjustment. *new* (-67CSS-FT)

    adjustments:
    1 Seat height adjustment.
    2 Back tension adjustment.
    3 Single rotation back tilt lock adjustment (5 position).
    4 Seat depth adjustment.
    5 Forward tilt adjustment.

     

    user guide: view the guide →

  • Task stool control.

    Auto-adjust body balance stool control. *new* (-35C)

    adjustments:
    1 Seat height adjustment.
    2 Back lock adjustment (single position).
    3 Foot ring height adjustment.

     

    This style matches the 74C & 74C-12SS controls.

     

    user guide: view the guide →

bases

  • Chair swivel bases.

    Standard black nylon 5-star base. (-18BB)

    • Standard base with black frames.

    Polished aluminum 5-star base. (-18PB)

    Brushed aluminum 5-star base. (-18BA)

  • Stool swivel bases.

    Black nylon 5-star base with foot ring. (-18BB-11DR, -18BB-11XDR)

    • Standard stool base with black frames.
    • Tall (-11DR) height range/stroke: 7 in.
    • Extra-tall (-11XDR) height range/stroke: 9.5 in.
    • See exact dimensions in the drawings section.

    Polished aluminum 5-star with foot ring. (-18PB-11DR, -18PB-11XDR)

    • Tall (-11DR) height range/stroke: 7 in.
    • Extra-tall (-11XDR) height range/stroke: 9.5 in.
    • See exact dimensions in the drawings section.

    Brushed aluminum 5-star with foot ring. (-18BA-11DR, -18BA-11XDR)

    • Tall (-11DR) height range/stroke: 7 in.
    • Extra-tall (-11XDR) height range/stroke: 9.5 in.
    • See exact dimensions in the drawings section.

casters & glides

  • Casters.

    Black carpet casters. (-16HP)

    • Standard casters for all swivel bases.

    Grey hard floor & carpet casters. (-16SCG)

  • Glides.

    Black glides. (-16GL)

designed by Studio V

Studio V creates modern, sophisticated and original seating solutions that are ergonomic, beautiful and sustainable. This team of engineers and designers are based at the Via Seating Factory in Reno, Nevada, where they develop products using a prototyping lab, the latest in 3D modeling software and a materials testing center.

studio: Reno, Nevada.

Explore their design process here→

Dimensions recorded by Via Seating engineers using:

  • the BIFMA Chair Measuring Device® (CMD) &

  • the BIFMA Universal Measuring Procedure.

chair drawings

  • Mid back chairs on a swivel tilt conference control. (151, 161, 171, 181 with -25C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -25C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.3″ – 43.1″ 37.0″ – 43.8″
    B 16.6″ – 21.4″ 16.6″ – 21.4″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 22.2″ – 24.2″ 22.9″ – 24.9″
    F 29.4″ 29.4″
    G 18.2″ 18.2″
  • Mid back chairs on a swivel tilt conference control with a seat slider. (151, 161, 171, 181 with -26C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -26C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.4″ – 43.2″ 37.1″ – 43.9″
    B 17.4″ – 22.2″ 17.4″ – 22.2″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 22.2″ – 24.2″ 22.9″ – 24.9″
    F 29.4″ 29.4″
    G 18.0″ – 20.0″ 18.0″ – 20.0″
  • Mid back chairs on a quick adjust advanced synchro control. (151, 161, 171, 181 with -67C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -67C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.1″ – 44.7″ 36.8″ – 44.8″
    B 16.3″ – 21.1″ 16.3″ – 21.1″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.8″ – 23.3″ 21.5″ – 22.0″
    F 27.0″ 27.0″
    G 17.1″ 17.1″
  • Mid back chairs on a quick adjust advanced synchro control with a seat slider. (151, 161, 171, 181 with -67CSS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -67CSS

    backs Mesh (151) Upholstered (161, 171, 181)
    A 37.0″ – 43.8″ 37.7″ – 44.5″
    B 16.8″ – 21.6″ 16.8″ – 21.6″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 19.8″ – 21.8″ 20.5″ – 22.5″
    F 27.0″ 27.0″
    G 15.9″ – 17.9″ 15.9″ – 17.9″
  • Mid back chairs on an enhanced body balance control. (151, 161, 171, 181 with -68C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -68C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 37.3″ – 44.1″ 38.0″ – 44.8″
    B 16.4″ – 21.2″ 16.4″ – 21.2″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.9″ – 22.9″ 21.6″ – 23.6″
    F 25.3″ 25.3″
    G 17.3″ 17.3″
  • Mid back chairs on an enhanced body balance control with a seat slider. (151, 161, 171, 181 with -68C-12SS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -68C-12SS

    backs Mesh (151) Upholstered (161, 171, 181)
    A 37.3″ – 42.1″ 38.0″ – 44.8″
    B 16.9″ – 21.7″ 16.9″ – 21.7″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.9″ – 22.9″ 21.6″ – 23.6″
    F 25.3″ 25.3″
    G 17.3″ – 19.3″ 17.3″ – 19.3″
  • Mid back chairs on an auto-adjust body balance control. (151, 161, 171, 181 with -74C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -74C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.4″ – 43.2″ 37.1″ – 43.9″
    B 16.4″ – 21.2″ 16.4″ – 21.2″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.5″ – 22.5″ 21.2″ – 23.2″
    F 27.0″ 27.0″
    G 17.9″ 17.9″
  • Mid back chairs on an auto-adjust body balance control with a seat slider. (151, 161, 171, 181 with -74C-12SS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -74C-12SS

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.4″ – 43.2″ 37.1″ – 43.9″
    B 16.9″ – 21.7″ 16.9″ – 21.7″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.0″ – 22.0″ 20.7″ – 22.7″
    F 27.0″ 27.0″
    G 17.3″ – 19.3″ 17.3″ – 19.3″
  • High back chairs on a swivel tilt conference control. (152, 162, 172, 182 with -25C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -25C

    backs Mesh (152) Upholstered (162, 172, 182)
    A 38.3″ – 45.1″ 40.0″ – 46.8″
    B 17.7″ – 22.5″ 17.7″ – 22.5″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 25.4″ – 27.4″ 25.2″ – 27.2″
    F 29.4″ 29.4″
    G 18.2″ 18.2″
  • High back chairs on a swivel tilt conference control with a seat slider. (152, 162, 172, 182 with -26C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -26C

    backs Mesh (152) Upholstered (162, 172, 182)
    A 38.4″ – 45.2″ 40.1″ – 46.9″
    B 18.5″ – 23.3″ 18.5″ – 23.3″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 25.4″ – 27.4″ 25.2″ – 27.2″
    F 29.4″ 29.4″
    G 18.0″ – 20.0″ 18.0″ – 20.0″
  • High back chairs on a quick adjust advanced synchro control. (152, 162, 172, 182 with -67C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -67C

    backs Mesh (151) Upholstered (161, 171, 181)
    A 38.1″ – 43.6″ 36.8″ – 44.8″
    B 17.4″ – 22.2″ 16.3″ – 21.1″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 24.0″ – 26.1″ 21.5″ – 22.0″
    F 27.0″ 27.0″
    G 17.1″ 17.1″
  • High back chairs on a quick adjust advanced synchro control with a seat slider. (152, 162, 172, 182 with -67CSS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -67CSS

    backs Mesh (152) Upholstered (162, 172, 182)
    A 39.0″ – 45.8″ 40.7″ – 47.5″
    B 17.9″ – 22.7″ 17.9″ – 22.7″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 23.0″ – 25.0″ 22.8″ – 24.8″
    F 27.0″ 27.0″
    G 15.9″ – 17.9″ 15.9″ – 17.9″
  • High back chairs on an enhanced body balance control. (152, 162, 172, 182 with -68C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -68C

    backs Mesh (152) Upholstered (162, 172, 182)
    A 29.3″ – 46.1″ 41.0″ – 47.8″
    B 17.5″ – 22.3″ 17.5″ – 22.3″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 24.1″ – 26.1″ 23.9″ – 25.9″
    F 25.3″ 25.3″
    G 17.3″ 17.3″
  • High back chairs on an enhanced body balance control with a seat slider. (152, 162, 172, 182 with -68C-12SS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -68C-12SS

    backs Mesh (152) Upholstered (162, 172, 182)
    A 39.3″ – 46.1″ 41.0″ – 47.8″
    B 18.0″ – 22.8″ 18.0″ – 22.8″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 24.1″ – 26.1″ 23.9″ – 25.9″
    F 25.3″ 25.3″
    G 17.3″ – 19.3″ 17.3″ – 19.3″
  • High back chairs on an auto-adjust body balance control. (152, 162, 172, 182 with -74C)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -74C

    backs Mesh (152) Upholstered (162, 172, 182)
    A 38.4″ – 45.2″ 40.1″ – 46.9″
    B 17.5″ – 22.3″ 17.5″ – 22.3″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 23.7″ – 25.7″ 23.5″ – 25.5″
    F 27.0″ 27.0″
    G 17.9″ 17.9″
  • High back chairs on an auto-adjust body balance control with a seat slider. (152, 162, 172, 182 with -74C-12SS)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -74C-12SS

    backs Mesh (151) Upholstered (161, 171, 181)
    A 38.4″ – 45.2″ 40.1″ – 46.9″
    B 18.0″ – 22.8″ 18.0″ – 22.8″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 23.2″ – 25.2″ 23.0″ – 25.0″
    F 27.0″ 27.0″
    G 17.3″ – 19.3″ 17.3″ – 19.3″

stool drawings

  • Stools. (151, 161, 171, 181 with -35C-11DR)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    -35C-11DR

    backs Mesh (151) Upholstered (161, 171, 181)
    A 42.2″ – 51.2″ 42.9″ – 51.9″
    B 22.2″ – 29.2″ 22.2″ – 29.2″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.9″ – 22.9″ 21.6″ – 23.6″
    F 24.8″ 24.8″
    G 17.3″ 17.3″
  • Extra-tall stools. (151, 161, 171, 181 with -35C-11DR)

    A. Overall height.

    B. Seat height.

    C. Seat width.

    D. Backrest width in lumbar support zone.

    E. Backrest height.

    F. Overall depth.

    G. Seat depth.

    35C-11XDR

    backs Mesh (151) Upholstered (161, 171, 181)
    A 36.1″ – 47.6″ 36.8″ – 48.3″
    B 22.2″ – 29.2″ 22.2″ – 29.2″
    C 20.5″ 20.5″
    D 18.8″ 18.8″
    E 20.9″ – 22.9″ 21.6″ – 23.6″
    F 24.8″ 24.8″
    G 17.3″ 17.3″

seat drawings

 

Seat Reference Point (SRP),
The ergonomic seat depth measurement.

 

Measurement G (and not measurement H) is the true seat reference point. SRP is an ergonomic term that defines where there is a slight indentation in the lumbar (i.e. where the sitter is benefiting from the lumbar support) to the front edge of the seat. It gives the true measurement of surface area in contact with the body. It is very useful for correctly matching up with hip to knee measurements for ergonomists taking into account the two – three finger gap between the back of the leg to the edge of the seat. It is very important to ensure no restriction in circulation to the lower extremities (lower legs and ankles).

  • Mid back seat. (151, 161, 171, 181)

    C. Seat width.

    G. Seat depth.

    H. Seat depth of the seat off the chair.
    controls 25C 26C 67C 67CSS 68C 74C
    C 20.5″ 20.5″ 20.5″ 20.5″ 20.5″ 20.5″
    G 18.2″ 18.0″ – 20.0″ 17.1″ 15.9″ – 17.9″ 17.3″
    17.3″ – 19.3″ (12SS)    		 17.9″
    17.3″ – 19.3″ (12SS)
    H 18.2″ 18.2″ 18.2″ 18.2″ 18.2″ 18.2″
  • High back seat. (151, 161, 171, 181)

    C. Seat width.

    G. Seat depth.

    H. Seat depth of the seat off the chair.
    controls 25C 26C 67C 67CSS 68C 74C
    C 20.5″ 20.5″ 20.5″ 20.5″ 20.5″ 20.5″
    G 18.2″ 18.0″ – 20.0″ 17.1″ 15.9″ – 17.9″ 17.3″
    17.3″ – 19.3″ (12SS)    		 17.9″
    17.3″ – 19.3″ (12SS)
    H 18.2″ 18.2″ 18.2″ 18.2″ 18.2″ 18.2″

arm drawings

  • Straight upright arm. (-10A)

    J. Armrest length.

    K. Armrest height.

    L. Armrest width.

    M. Width between armrests.

    J.   7.9″
    K.   8.2″ – 12.2″
    L.    24.8″
    M.   19.2″

  • Basic height adjustable arm. (-38A)

    J. Armrest length.

    K. Armrest height.

    L. Armrest width.

    M. Width between armrests.

    J.  7.0″
    K.  8.0″ – 12.5″
    L.  26.4″
    M.  20.6″

  • Roll back arm. (-39A)

    J. Armrest length.

    K. Armrest height.

    L. Armrest width.

    M. Width between armrests.

    J.   6.2″
    K.   7.4″ – 9.9″
    L.   26.8″
    M.  21.0″

  • 8-way adjustable arm. (-51A, -53A)

    J. Armrest length.

    K. Armrest height.

    L. Armrest width.

    M. Width between armrests.

    J.   6.2″
    K.   8.4″ – 12.3″
    L.   27.1″
    M.  20.5″

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Downloads

pricing

Proform price list and specification guide pdf (2.14 MB)

brochures

The Emphasized Stitch program brochure pdf (413.22 KB)
Proform brochure pdf (3.92 MB)
Education Seating Solutions book pdf (9.86 MB)
Healthcare Seating Solutions book pdf (15.64 MB)
Healthier Hospitals Initiative (HHI) brochure pdf (13.09 MB)
Solutions: Seating Collection Overview 2020 pdf (9.99 MB)

postcards

diamond stitching postcard 5x7 pdf (438.26 KB)

symbols

Proform 2D autoCAD files zip (7.8 MB)
Proform 3D autoCAD files zip (57.32 MB)
Proform revit files zip (13.71 MB)

certifications

BIFMA LEVEL 2 task chairs certification pdf (114.76 KB)
Clean Air Gold certification pdf (316.89 KB)

care

Proform cleaning and care guidelines pdf (112.33 KB)

instructions

base to chair assembly instructions pdf (308.35 KB)

user-guides

Proform series user guide pdf (2.24 MB)
25C swivel tilt conference control user guide pdf (201.86 KB)
26C swivel tilt conference control with seat slider user guide pdf (203.26 KB)
35C auto-adjust body balance stool control user guide pdf (207.24 KB)
67C quick adjust advanced synchro control user guide pdf (205.62 KB)
67CSS-FT quick adjust advanced synchro control with seat slider and forward tilt user guide pdf (226.24 KB)
67CSS quick adjust advanced synchro control with seat slider user guide pdf (211.6 KB)
68C-12SS enhanced body balance with seat slider user guide pdf (208.54 KB)
68C enhanced body balance user guide pdf (206.53 KB)
74C-12SS auto-adjust body balance control with seat slider user guide pdf (208.13 KB)
74C auto-adjust body balance control user guide pdf (206.29 KB)
10A straight upright height adjustable arm user guide pdf (205.82 KB)
38A/38AG Basic height adjustable arm user guide pdf (205.86 KB)
39A roll back arm user guide pdf (195.06 KB)
51A/51AG/52A/53A 8-way adjustable arm user guide pdf (212.64 KB)