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Matrx Heavy Duty Back

The Matrx Heavy Duty (Posture) Back by Motion Concepts has a contour depth of 5" to provide midline support and positioning to bariatric users. Includes a strengthened back shell and hardware system to support those weighing up to 220kgs.


Available in 20" to 24" widths

Fits wheelchairs 19" to 25" wide

Height options 16" or 20"


Matrx Heavy Duty Back - Features and Benefits

Outer Cover:

• Moisture resistant and breathable

• Available in standard black



• Moulded foam wraps around shell for maximum comfort and protection

Sacral / Lumbar Support:

• Removable foam positioning pad


Back Shell:

• Strengthened 5" contoured shell provides exceptional midline support and positioning

• Durable, lightweight ABS plastic back shell includes built-n plate for headrest attachment



Includes Heavy Duty Hardware, tools and accessories designed specifically for bariatric users

"Easy set" hardware installed and adjusted in minutes - adjustments can be made while user is seated in a wheelchair

Quick release for easy portability

Infinite adjustment of depth (4"), angle (40°) and rotation

Fits ¾", 7/8" and 1" diameter back canes

Adjusts to fit chairs 1" narrower to 1" wider

Weight limit:

220kgs / 500lbs


• 400mm / 16" (regular)

• 500mm / 20" (tall)

Product code:

HDB#### (width x depth)

Eg, Matrx Heavy Duty Back 20x16 = HDB2016

Full dimensions and sizing information available under Download


Also in Matrx Posture Back series:

Matrx Posture Back (5" contour)

Posture Back Paediatric (5" contour)

Posture Back Deep (7" contour)

  • Bariatric available in 20x16, 20x20, 22x16, 24x16