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Matrx PS Cushion

The Matrx PS (Posture Seat) by Motion Concepts is designed to provide superior positioning, stability and comfort. The design features an anatomically contoured shape with a unique waffled ischial relief recess and an innovative reversible outer cover. 


Paediatric 10x10 to 14x14

Standard 14x16 to 20x20

Heavy Duty (Bariatric)  22x18 to 28x22

All sizes are customisable


How we measure our cushions


Matrx PS Cushion - Features and Benefits


Skin Protection & Risk Level: Moderate


Durable high resilient foam prevents 'bottoming out'

Anatomically moulded shape for optimal leg and pelvic positioning and comfort

Rear radius for sacral support

Waterfall front edge

• Made with Ultra-Fresh for antibacterial and odour protection

Ischial relief area:

Waffled recess provides immersion of bony prominences

Helps maintain pelvic position and prevent sliding

Inner cover:

Moisture resistant and easily wiped clean

Protects the cushion from incontinence

• Allows access for cushion modifications

Outer cover:

Innovative reversible outer cover can be used smooth or fabric side out for Standard and Paediatric sizes

Made from moisture resistant and breathable dartex fabric

Hook and loop velcro strips

Weight limit:

• Paediatric 68kgs / 150lbs

Standard 130kgs / 300lbs

Heavy Duty 266kgs / 600lbs

Height (adductor):

Paediatric 95.2mm / 3.75"

Standard and Heavy Duty 101mm / 4"

Height (abductor):

88.9mm / 3.5"

Height (leg trough):

63.5mm / 2.5"

Product code:

PS#### (width x depth)

Eg, PS 16x18 = PS1618

Full dimensions and sizing information available under Download

  • Heavy Duty available in 22x18, 22x20, 24x18, 24x20, 26x20, 26x22, 28x20, 28x22
  • Paediatric available in 10x10, 10x12, 10x14, 12x12, 12x14, 12x16, 14x12, 14x14
  • Standard available in 14X16, 16x16, 16x18, 16x20, 18x16, 18x18, 18x20, 20x16, 20x18, 20x20