Coccyx cutout from back of cushion to the center oval ring reduces pressure on the tailbone to help relieve soreness, while increasing airflow.
Tapered wedge provides extra support under the tailbone and back with less bulk under the legs.
Ergonomic wedge design tilts the pelvis slightly forward to help promote better posture.
Stretch fabric cover is removable for washing.
Corner lobes help stabilize the cushion.