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  • Product:
    Flexi Seat
  • Product Type:
  • Age Range:
    Babies and children
  • Enquire Today:

A versatile flexible modular seating system

The NEW SOS Flexi Seat (2016) provides a cost-effective approach to the daily management of children who require postural support for their daily management and mobility. This lightweight modular seating system provides effective midline control, essential for functional development in children.

Suitable for use by children from young infant upwards.

Already got a buggy or chair?

Our modular solutions can be interfaced with your existing equipment as well as our own wheel bases. Please ask us for compatibility information.

Available in a range of colours and finishes for individual choice.

Advice and Assessment

For further advice regarding the Flexi Seat or any other SOS Specialised Seating products please contact our Customer Service Department.

Key Features

Key Features

  • Fully Adjustable Modular Seating System
  • Available with a range of Postural Support Options
  • Fully compatible with standard Seating Accessories
  • All covers offered in a range of colours and are removable for easy cleaning
  • Wide range of Client Belts and Harnesses available
  • Can be configured to Interface into most Wheelchairs and Mobility Bases
Range of Adjustment

flexi-seat-adjustment-diagramAll Flexi Seat seating systems have the following adjustment:

  • Seat depth adjustment
  • Back rest height adjustment
  • Hip width adjustment
  • Trunk width adjustment
  • Backrest to seat angle adjustment

Independent component positioning

Once the Back and Base have been positioned the other seating components can be adjusted independently to match any imbalance in the client’s posture.

Backrest to seat angle adjustment

Flexi seat features angle adjustment between the base and backrest to allow flexibility between base and backrest configuration when needed.

SOS Quick-Lok Compatible

The SOS designed Quick-Lok interface system provides extended versatility due to the positioning options available in the same interface.

Harness and Supports

The Flexi Seat is a versatile modular seat system that will interface into most wheelchair mobility products and is suitable for transportation use when required.
A range of postural supports are available which allow each seat to be built to give the individual support necessary for each individual.

Please see Parts and Accessories for more information


The basic dimension ranges for the Flexi Seat are below. If you require more details or additional measurements please contact us.

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SIZE DIMENSIONS in inch (mm)
Seat Depth Hip Width Shoulder Height Trunk Width
Min Max Min Max Min Max Min Max
SIZE 1 8.0 (200) 12.0 (305) 6.0 (150) 10.0 (255) 12.0 (305) 16.0 (405) 6.0 (150) 11.0 (280)
SIZE 2 10.0 (255) 16.0 (405) 8.0 (200) 15.0 (380) 150 (305) 19.0 (480) 8.0 (205) 12.0 (305)
Accessories and Extras

Options & Accessories

Poziform Wheelchair Harnesses and supports, Specialised Orthotic Services SOS

Harnesses and Supports

SOS offer a range of harnesses and supports to accompany your specialist seating.  Please see the options and accessories section for more information.

Poziform Harnesses
Parts and Accessories

Colours and Embroidery

Pastel Polyester Fabric

The following Pastel Velours can be specified on the Flexi Seat:

For the full range of colours please follow the link below:

Colours and embroidery

Hot Pink (A1)
Crimson (A4)
Black (A7)

Purple (A2)
Turquoise (A5)
Orange (A8)

Lime (A3)
Royal (A6)

Brochures and Manuals