OrthoGrande XXL Orthopedic Chair

R9295R9495 incl VAT

The OrthoGrande is a XXL heavy-duty orthopedic chair suitable for larger individuals. This fully adjustable chair has a 180kg weight rating and carries a 10-year standard usage warranty.

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The OrthoGrande XXL Orthopedic Chair – Comfort for Larger Individuals

The OrthoGrande XXL Orthopedic chair is designed for individuals with larger proportions. It boasts a sumptuously upholstered seat and backrest, delivering luxurious comfort. Whether in a 24/7 work setting or during leisure activities, this heavy-duty orthopedic chair ensures outstanding ergonomic support. What is an orthopedic chair?

Key features include a height-adjustable backrest, a free-float mechanism, multi-adjustable armrests, and seat-depth adjustment, making it a standout choice.

The OrthoGrande, available with or without a headrest, is equipped with an impressive 180kg weight rating and is backed by a 10-year standard usage or 5-year 24/7 warranty.

1. Backrest adjustment

The OrthoGrande provides extensive customisation with its adjustable backrest, allowing you to fine-tune the angle to your precise preferences and lock it securely into place.

Moreover, the height of the backrest is adjustable, offering you the flexibility to position the overall support precisely where it is most beneficial for your comfort and ergonomic needs.

orthogrande orthopedic chair back adjustment
Backrest angle adjustment
orthogrande orthopedic chair back adjustment
Backrest height adjustment

2. Seat adjustment

a. Seat angle adjustment

The OrthoGrande XXL features an adjustable seat angle that can be set with a forward slope of up to 5 degrees. This specific adjustment has the effect of lowering your knees in relation to your hips, essentially “opening” the pelvis. This intentional pelvis opening promotes a more natural curvature of the spine, effectively alleviating pressure on the lumbar discs during prolonged sitting. By making this adjustment, the chair significantly diminishes the risk of lower back pain, enhancing overall comfort and spinal wellbeing. What actually happens when you sit?

orthogrande orthopedic chair seat adjustment
Seat angle adjustment
orthogrande orthopedic chair seat adjustment
Sitting with an 'open' pelvis

b. Seat depth adjustment

The seat slider incorporated in the OrthoGrande enables you to finely adjust the seat depth, allowing you to move the seat pan backward or forward to align it with the length of your thighs. Achieving a comfortable seated position involves maintaining a 2-3 finger gap between the front edge of the seat and the back of your knees when your back is against the chair’s backrest. This practice not only prevents strain behind the knees but also ensures optimal upper leg and under thigh support, promoting healthy blood circulation.

  • For taller individuals with longer legs, the seat slider allows for INCREASING the seat depth, maintaining a correct ergonomic seated posture. Conversely, shorter individuals may opt to REDUCE the seat depth. Excessive seat depth may cause those with shorter legs to perch on the front edge of the seat, leading to inadequate back support.
  • In cases where there is a coccyx-related issue, a chair equipped with seat depth adjustment proves invaluable. This customisation capability enables you to tailor the seat depth to alleviate pressure on the coccyx, contributing to enhanced comfort and overall wellbeing.
orthogrande orthopedic chair seat adjustment
Seat depth adjustment

3. Armrest adjustment

The armrests on the OrthoGrande XXL are multi-adjustable. This allows you to position the supporting pads for optimum comfort while you work.  

In addition to vertical height adjustment, the arm pads can be adjusted horizontally and also pivoted inwards/outwards.

orthogrande orthopedic chair armrest adjustment
Armrest height and depth adjustment
orthogrande orthopedic chair armrest adjustment
Armpad pivot adjustment
  • Weight Rating 180kg.
  • Height adjustable upholstered headrest.
  • Height adjustable backrest.
  • Multi-adjustable armrests.
  • XXL Upholstered back and seat with extra thick high-density automotive grade moulded foam.
  • Free-Float mechanism lockable in 4 positions.
  • Seat depth adjustment.
  • Forward-tilt seat adjustment.
  • Standard seat height adjustment (floor to top of seat). Min 52cm, Max 63cm.

No assembly required.

This chair is delivered to your door anywhere in South Africa free-of-charge and is FULLY ASSEMBLED.
Simply unpack the box and start using your chair!

Delivery is FREE to any location in South Africa.

All online orders are processed within 1 working day. The transport time from our factory to your door is as follows:

  • Gauteng: 1-3 working days (Karo delivery vehicles).
  • Major metropolitan areas: 5-10 working days (courier service).
  • Remote locations: allow up to 15 working days (courier service).

We use couriers for all deliveries outside Gauteng. Their delivery times are based on their historical performance and may be influenced by high seasonal demands and unplanned service disruptions.

The OrthoGrande has a 10 year standard usage warranty, or 5 years when used 24/7.

Our warranty covers all faulty workmanship and material, as well as any latent defects.
Find out more on our Warranty Terms & Conditions

The OrthoGrande has a Free-Float mechanism that promotes Dynamic Sitting.

orthogrande orthopedic chair

Dynamic sitting occurs in an office chair that is fitted with a mechanism that allows the angle between the backrest and seat to change. By continuously changing this angle, you automatically stimulate, or activate various muscles in your lower back, core and legs. As a result, the blood flow through these muscles increases, bringing oxygen and other nutrients to the muscles and carrying away the waste products of muscle metabolism. By doing so, muscle fatigue and it’s associated pain is reduced, particularly in the lower back, core and legs.

An Orthopedic Chair is recommended for anyone who has chronic lower back pain. An orthopedic chair must have a forward-tilting seat function that reduces the rotation of the pelvis when sitting down. This decreases the disc pressure in the lumbar region of the back while you are seated. Compared to an ergonomic chair, an orthopedic chair has additional features to ensure the chair can be adjusted to specifically address chronic lower back pain. What is an orthopedic chair?


We offer free returns or exchanges within 14 days of purchase.
You can either return your product for a different one, or get a full refund – no questions asked!


  • Returned items must have all their original tags attached and must be returned in their original packaging.
  • Returned items must have no visible signs of wear or use.
  • See our Refund Policy for details.
Armrest type

Armrest height from top of seat

Backrest height from top of seat

Chair weight


Headrest adjustment range


Internal width between armrests


Lumbar support


Seat depth (front to back)


Seat foam

Seat height (floor to top of seat)


Seat width (left to right)


Swivel mechanism


Weight rating