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The Original DuoBack© chairs

Introducing the original DuoBack chairs, affectionately known as 'the hugger.' These popular chairs feature two independently mounted backrest pads that reduce direct pressure on the spine by up to 50%. Designed to continuously adjust to your posture, they embrace your back for comfort. Not limited to but these chairs are ideal for individuals with scoliosis, many customers have discovered relief and satisfaction after trying the DuoBack 11 & 12 chairs, thanks to their unique back support and wide range of features and options.

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DuoBack 11&12

DuoBack® Dynamic Movement

The perfect backrest has to fulfil two apparently contradictory criteria; It should not only support the upper body and take over the function of the muscles which support the back; but also follow and facilitate the movements of the upper body.

The resultant 'dynamic sitting' stimulates the muscles, helping to prevent back strain or alleviate existing pain.  Just as importantly, this stimulation retards the natural build-up of muscle tension, helping to lessen the effects of tiredness.

The unique split back pads of the 'DuoBack' are positioned halfway between the top and bottom of the spine so that when reclined the lower sections of the pads move forward straightening the spine and pelvic girdle.  This is a vital point often stressed by both back specialists and office ergonomists.

Height adjustable, the backrests correctly support the back of any person.  The space between the pads allows the spine to move freely.  Instead of putting pressure on the spine, support is evenly distributed throughout the back muscles.
 
The backrest are pivotally mounted enabling them to move in all three axes - forwards and backwards; up and down and left to right.  It means that the back is fully supported in all positions.  Uniquely, the mountings provide the back with 'active support'.  The shape and mobility of the backrest ensure that they follow the contours of the back as it moves, varying the support needed and stimulating muscle tone and blood circulation.

DuoBack® is office ergonomics perfectly applied.

illustration of the flexibility of the duoback backrest pads

Each DuoBack® pad is independently mounted on a firm yet flexible bracket.

illustration of the flexibility of the duoback backrest pads

They are designed to flex and move as you do, continually adjusting to changes in your posture.  They will 'hug' your back when you are seated and each pad will adjust itself to the unique shape of your back...

illustration of the flexibility of the duoback backrest pads

... The vertical gap between the DuoBack® pads reduces direct pressure on the spine by up to 50%.  Recommended worldwide by physiotherapists, medical professionals and work place assessors for the support and ergonomic excellence DuoBack® provides.

illustration of the flexibility of the duoback backrest pads

The DuoBack 11&12 chairs have lateral adjustment of the back rest pads.  The further apart the pads are set, the greater the flexibility.  The DuoBack has earned the nickname 'Hugger' because it does just that.  The further apart the pads are adjusted, the more they will 'Hug' your back.

If you do not wish to have such flexibility in the back rest movement then closing the gap creates a firmer back support.  However, there is still some movement as this is what the DuoBack is designed to do! 

The independently mounted DuoBack back rest pads flex and move with your movements.  This flexibility ensures that when you place pressure on the top of the back rest, however slight, greater lumbar support is achieved as the lower section of the backrest pads push forwards into the lumbar region.

DuoBack_Type_11_Office_Chair_Back_Width adjustment
DuoBack-Type-11-office chair rear view
DuoBack-Type-12-office chair rear view

DuoBack Type 11

DuoBack Type 12

DuoBack 11 & 12

One chair, two backrest designs

Optional Features

Sizes / Options

DuoBack 11&12

Chair Dimensions:

Seat Height: 450mm - 580mm

Seat Depth: 400mm - 450mm (with slide)

Seat Depth: 460mm

Seat Width: 500mm

Backrest Width: 400mm - 430mm

Backrest Height: 480 - 560mm

Seat height adjustment

Synchronous auto-tension angle adjustment

Weight tension adjustment 45-110kg

Sliding seat mechanism

Height adjustable backrest

Width adjustable DuoBack pads

TY45: Free floating

Synchronous backrest & tilt angle

Lockable in 4 positions

Seat slide


TY47: Free floating

Synchronous backrest & tilt angle

Lockable in 4 positions

Seat slide

Independent forward tilting seat +4°

A10: 2D Height adjustable armrests


A13: 3D height, width and depth adjustable armrests in black


A12: 3D Height, width and depth adjustable armrests, polished frames

HRUA: Height, depth and angle adjustable neckrest

ST65: Polished aluminium base

VISCO: Memory foam seat

ESIT2: Coccyx relief zone

ESHH60: Soft castors for hard floors

GL-R: +30mm additional seat height

OF-GL4: Swivel locking gas lift


DuoBack 11&12 - Counter High

Chair Dimensions:

Seat Height: 640mm - 890mm

Seat Depth: 400mm - 450mm (with slide)

Seat Depth: 460mm

Seat Width: 500mm

Backrest Width: 400mm - 430mm

Backrest Height: 480 - 560mm

Seat height adjustment

Synchronous auto-tension angle adjustment

Weight tension adjustment 45-110kg

Footring

Sliding seat mechanism

Height adjustable backrest

Width adjustable DuoBack pads

TY45: Free floating

Synchronous backrest & tilt angle

Lockable in 4 positions

Seat slide


TY47: Free floating

Synchronous backrest & tilt angle

Lockable in 4 positions

Seat slide

Independent forward tilting seat +4°

A10: 2D Height adjustable armrests


A13: 3D height, width and depth adjustable armrests in black


A12: 3D Height, width and depth adjustable armrests, polished frames

HRUA: Height, depth and angle adjustable neckrest

ST65: Polished aluminium base

VISCO: Memory foam seat

ESIT2: Coccyx relief zone

ESHH60: Soft castors for hard floors

GL-R: +30mm additional seat height

OF-GL4: Swivel locking gas lift


Certifications:

GS- Zeichen TÜV

EN 1335 1-3

IBA quality certificate 'Quality Office'

User weight: 45-110kgs

Use height: 5'0 - 5'10 / 153cm - 178cm


Fabrics & Upholstery Finishes

Price Group 48

Synergy by Camira

95% Wool / 5% polyamide

Technical Specification


Composition: 95% wool, 5% polyamide

Weight: 400 g/m2 ±5%

At our company, we have dedicated ourselves establishing a strong reputation in our industry. We take great pride in delivering exceptional customer service, ensuring that no inquiry is too small. Our aim is to provide a seamless and professional experience for every individual we serve.

- Office Ergonomics Limited

15 Edison Road - Aylesbury - Buckinghamshire - HP19 8TE

Copyright: Office Ergonomics Ltd 2026

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