M2Wheelchair Cushion contact us 9 Tapered leg adductors Increase in width near the back of the cushion to give support to the greater trochanter. 9 Deep lateral and medial leg contours Promote postural alignment. 9 Coccyx relief cutout Eliminates pressure on the tailbone and spine. 9 Non-skid bottom fabric Offers hook and loop attachment. 9 Constructed with dual density foam A molded foam base, and Quadra3D® Gel pack.