The Matrx® PS cushion 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. Matrx PS Cushions include inner & outer covers. Additional Extra covers are also available. Reversible outer cover: Innovative reversible Dartex™ outer cover may be used smooth or fabric side out Dartex™ fabric is moisture resistant and breathable Hook and loop fastener strips Inner cover: Moisture resistant Easily wiped clean Cushion: Durable high resilient foam prevents “bottoming out” Anatomically moulded shape for optimal positioning & 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 slidingMultiple sizes available